成长的脚步-司法考试历年真题

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英语演讲稿ppt(精选多篇)


吉他唱歌then,i am going to share the
experience of learning guitar and singing
be honest ,i am not good at either
of them, i just like them. singing can be
used to relieve my fatigues and can help
me improve my accent. practicing guitar
making me happy when i am sad. my
hobbies refer to
music, it said that singing along with
music or dancing to rhythm can make
people clever. i am always singing at home
to share each other’s joys and sorrow in
our life and to learn many songs.
泼水节it goes without saying that
there are many different kinds of
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activitiesand they can not only broaden our
minds but also add more fun to our
example , thailand water splashing
festival ,it represents thailand thai new
year, the water-splashing festival is in
mid-april and lasts three to five days.
water is the most precious thing to the tai
people,they believe the holy water make
you get rid of bad luck,the tai people’s
wish for your good fortune and happiness
sincerely.
印尼美食节in the indonesian food
festival , we satisfy our taste buds,also, we
feastedour eyes on the he traditional
dances, songs and music.
风雅中华and the “feng ya zhong
hua” is china traditional
culturalquiz. we had a chance that
enabled our to presen our knowledge and
practice ourcooperative learning skills.
五缘水乡 it is a wetland
we can see manyblack swans . it is -----------------------------------------------最 新财经经济资料---------------- 感谢阅读-----------------------------------

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surrounded by verdant trees on
in its the lakeside and intoxicates tens
ofthousands of people arms with their
wonderful charm and
its radiant and enchanting scenery in
lake can learn much during your
travel about the geography, biology, and
history of the places you visit. 小结no
matter how well educated you are, there is
always a lot for you to learn through
travelling. the knowledge acquired from
travel, as you will have found in your life,
is no less valuable than that from any
influential reference book.
to make a better city, planners aimed
at creating a city in which the insalubrious
environment and social structure would be
defeated by a reordering of physical and
social arrangements, so that all the citizens
could attain the benefits of beauty,
community, and democracy. in harvey’s
opinion, the better city should confront on
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the postmodernist challenge to political
economy, and deal with environmental
sustainable.
however i think green buildings could
make good cities, and also citizens will
have a best quality of life. according to the
world green building council’s definition,
“to significantly reduce or eliminate the
negative impact of buildings on the
environment and on the building occupants,
green building design and construction
practices address: sustainable site planning,
safeguarding water and water efficiency,
energy efficiency, conservation of
materials and resources, and indoor
environmental quality.”the green building,
which is sustainable in the built
environment, can reduce environmental
impact but also provide better buildings.
the technologies associated with green
buildings include:
-energy conservation
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-water conservation
-material selection
-use of renewable materials
-occupant health and indoor
environment quality
-site ecology
-recycling
the green building can be residential,
commercial, retail and industrial buildings.
for example, the green building uses
water-mining plant to recycle water on
toilet flushing, watering the garden, and
washing cars. the building also uses
phase-change materials for cooling,
automatic night-purge windows, wavy
concrete ceilings, which saves a lot of
money and become more sustainable.
the idea of green and healthy cities is
becoming more important nowadays. the
better city should be planed for health and
well-being by planners, and they will
mainly focus on service facilities,
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educations. the good city will also need to
be safe in community, and make
community more walkable, and has an
urban design with exquisite streetscape.
however the planner keeps developing new
ideas of how cities should be changed,
therefore the city will become more livable
and sustainable in the future.
reference:
susan s. fainstein, can we make the
cities we want? the urban movement
richard reed and sara j. wilkinson
green building-issues for the valuation
process, uiversity of melbourne
to make a better city, planners aimed
at creating a city in which the insalubrious
environment and social structure would be
defeated by a reordering of physical and
social arrangements, so that all the citizens
could attain the benefits of beauty,
community, and democracy. in harvey’s
opinion, the better city should confront on -----------------------------------------------最 新财经经济资料---------------- 感谢阅读-----------------------------------

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the postmodernist challenge to political
economy, and deal with environmental
sustainable.
however i think green buildings could
make good cities, and also citizens will
have a best quality of life. according to the
world green building council’s definition,
“to significantly reduce or eliminate the
negative impact of buildings on the
environment and on the building occupants,
green building design and construction
practices address: sustainable site planning,
safeguarding water and water efficiency,
energy efficiency, conservation of
materials and resources, and indoor
environmental quality.”the green building,
which is sustainable in the built
environment, can reduce environmental
impact but also provide better buildings.
the technologies associated with green
buildings include:
-energy conservation
---------------------------------------------- -最新财经经济资料---------------- 感谢阅读-----------------------------------

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-water conservation
-material selection
-use of renewable materials
-occupant health and indoor
environment quality
-site ecology
-recycling
the green building can be residential,
commercial, retail and industrial buildings.
for example, the green building uses
water-mining plant to recycle water on
toilet flushing, watering the garden, and
washing cars. the building also uses
phase-change materials for cooling,
automatic night-purge windows, wavy
concrete ceilings, which saves a lot of
money and become more sustainable.
the idea of green and healthy cities is
becoming more important nowadays. the
better city should be planed for health and
well-being by planners, and they will
mainly focus on service facilities,
-------------------------- ---------------------最新财经经济资料---------------- 感谢阅读-----------------------------------

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educations. the good city will also need to
be safe in community, and make
community more walkable, and has an
urban design with exquisite streetscape.
however the planner keeps developing new
ideas of how cities should be changed,
therefore the city will become more livable
and sustainable in the future.
reference:
susan s. fainstein, can we make the
cities we want? the urban movement
richard reed and sara j. wilkinson
green building-issues for the valuation
process, uiversity of melbourne
我非常荣幸能到前面来演讲 ，这就
是我这次的主题——动漫
i am much honored to come to the
front speakers; this is my current theme -
animation
早在1831年，法国人joseph antoine
plateau把画好的图片按照顺序放在一 部
机器的圆盘上，圆盘可以在机器的带动
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下转动。这部机器还有一个观察窗，用
来观看活动图片效果。在机器的带 动下，
圆盘低速旋转。圆盘上的图片也随着圆
盘旋转。从观察窗看过去，图片似乎动
了 起来，形成动的画面，这就是原始动
画的雏形。
as early as 1831, the french joseph
antoine plateau in order to draw a good
picture on a machine in accordance with
the disc, the disc can be driven by rotation
of the machine. this machine also has an
observation window to watch the activities
of picture effects. the machine, driven by
low-speed rotating disk. the picture on the
disc along with the disk rotation. from the
observation window at the past, pictures
seem to move together to form a moving
picture, which is the prototype of the
original animation.
1909年，美国人winsor mccr ay用一
万张图片表现一段动画故事，这是迄今
为止世界上公认的第一部象样的动画短
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片。从此以后，动画片的创作和 制作水
平日趋成熟，人们已经开始有意识的制
作表现各种内容的动画片
in 1909, americans winsor mccray
performance with a million images an
animation story, this is by far the worlds
recognized as the first decent animation
clips. since then, the level of animation
creation and production of mature, people
have started to make sense of the
performance of various elements of the
cartoon.
1926年 万氏兄弟成功的发展了中
国第一部动画片 这也是中国美术的里
程碑。
in 1926, wang’s brother successfully
developed china’s first cartoon it is also
the beginning of chinese art pieces.
动漫有以下三种风格 欧美风格 中
国风格 日式风格
there are three styles of european and
american animation style of chinese-style
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japanese style 无论如何，有不同的动画
给了我们巨大 的喜悦。它作为一个媒体，
使用或幽默夸张的款式或到社会现实的
阴沉深的形式还指导我们的成 长。也是
一个非常有前途的行业?
anyway, have a different animation
gives us immense joy. it also guided our
growth as a form of media, use or
exaggerated style of humor or the gloomy
deep into the social reality. is also a very
promising industry ~
最后 让我们看一个动漫小视频
finally, let us look at a small
animation video
thanks~
1、lathe
2、value of two yuan of the third
series of the rmb ——the turner
3、a lathe is a machine tool which
rotates the workpiece on its axis to
perform various operations such as
cutting, sanding, knurling , drilling, or
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deformation with tools that are applied to
the workpiece to create an object which
has symmetry about an axis of rotation.
4、history
the lathe is an ancient tool, dating at
least to ancient egypt and known and
used in assyria and ancient greece .
the origin of turning dates to around
1300 bc when the ancient egyptians
first developed a two-person lathe.
ancient rome improved the egyptian design
with the addition of a turning bow. in the
middle ages a pedal replaced
hand-operated turning, the system today
is called the “spring pole” lathe. spring
pole lathes were in common use into the
early 20th century.
during the industrial revolution,
mechanized power generated by water
wheels or steam engines was transmitted
to the lathe via line shafting, between the
late 19th and mid-20th centuries,
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individual electric motors at each lathe
replaced line shafting as the power source.
beginning in the 1950s, servomechanism
were applied to the control of lathes and
other machine tools via numerical control,
today manually controlled and cnc lathes
coexist in the manufacturing industries .
5、description：parts
explanation of the standard
components of most lathes:
? bed床身: usually made of cast iron.
provides a heavy rigid frame on which all
the main components are mounted.
? ways床身导轨: inner and outer
guide rails that are precision machined
parallel to assure accuracy of movement.
? headstock床头箱，主轴箱:
mounted in a fixed position on the inner
ways, usually at the left end. using a chuck,
it rotates the work.
? gearbox ①齿轮箱②变速器:
inside the headstock, providing multiple
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speeds with
a geometric ratio by moving levers.
? spindle心轴，主轴: hole through the
headstock to which bar stock can be fed,
which allows shafts that are up to 2 times
the length between lathe centers to be
worked on one end at a time.
? chuck卡盘: 3-jaw or 4-jaw to
clamp part being machined.
? chuck: allows the mounting of
difficult workpieces that are not round,
square or triangular.
? tailstock尾架: fits on the inner
ways of the bed and can slide towards any
position the headstock to fit the length of
the work piece. an optional taper turning
attachment would be mounted to it.
? tailstock quill尾架套管: has a
morse taper to hold a lathe center, drill bit
or other tool.
? carriage托架，滑动架: moves on
the outer ways. used for mounting and
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moving most the cutting tools.
? cross slide横刀架，横拖板，横溜
板: mounted on the traverse slide of the
carriage, and uses a handwheel to feed
tools into the workpiece.
? tool post刀架，刀座: to mount tool
holders in which the cutting bits are
clamped. ? compound rest复式刀架:
mounted to the cross slide, it pivots around
the tool post.
? apron床鞍: attached to the front of
the carriage, it has the mechanism and
controls for moving the carriage and cross
slide.
? feed rod进给杆: has a keyway, with
two reversing pinion gears, either of which
can be meshed with the mating bevel gear
to forward or reverse the carriage using a
clutch.
? lead screw丝杠: for cutting threads.
? split nut开合螺母: when closed
around the lead screw, the carriage is
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driven along by direct drive without using
a clutch.
? quick change gearbox快换齿轮箱:
controls the movement of the carriage
using levers.
? steady rest固定中心架: clamped to
the lathe ways, it uses adjustable fingers to
contact the workpiece and align it. can be
used in place of tailstock or in the middle
to support long or unstable parts being
machined.
? follow rest跟刀架: bolted to the
lathe carriage, it uses adjustable fingers to
bear against the workpiece opposite the
cutting tool to prevent deflection.
6~9、description：accessories
three-jaw chuck : self-centering
three- jaw chuck and key with one jaw
removed and inverted showing the teeth
that engage in the scroll plate. the scroll
plate is rotated within the chuck body by
the key, the scroll engages the teeth on the
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underside of the jaws which moves the
three jaws in unison, to tighten or release
the workpiece.
four-jaw chuck :independent four-jaw
chuck, also known as a universal chuck,
with the jaws independently set. the key is
used to adjust each jaw separately. collet
弹性夹头: a collet is a holding
device—specifically, a subtype of
chuck—that forms a collar around the
object to be held and exerts a strong
clamping force on the object when it is
tightened, usually by means of a tapered
outer collar. it may be used to hold a
workpiece or a tool.
faceplate花盘: a lathe faceplate is the
basic workholding accessory for a wood or
metal turning lathe. it is a circular metal
plate which fixes to the end of the lathe
spindle. the workpiece is then clamped to
the faceplate, typically using t-nuts in slots
in the faceplate, or less commonly
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threaded holes in the faceplate itself.
dead center死顶尖: dead center
mounted in the spindle of a lathe and being
used to support a workpiece being driven
by a carrier setup live center活顶尖:a live
center or revolving center is constructed so
that the 60° center runs in its own bearings
and is used at the non-driven or tailstock
end of a machine. it allows higher turning
speeds without the need for separate
lubrication , and also greater clamping
pressures.
lathe carrier车床鸡心夹头: a lathe
dog, also known as a lathe carrier, is a
device that clamps around the workpiece
and allows the rotary motion of the
machine’s spindle to be transmitted to the
workpiece.
mandrel心轴: an object used to shape
machined work.
10、application
lathes are used in woodturning,
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metalworking, metal spinning, and
glass-working. lathes can be used to shape
pottery, the best-known design being the
potter’s wheel陶车. most suitably
equipped metalworking lathes can also be
used to produce most solids of revolution,
plane surfaces and screw threads or helices.
ornamental lathes can produce
three- dimensional solidsof incredible
complexity
11、examples of work produced from
a lathe
12、thank you!
i`m very happy to have this opptunity
to give you a ,my topic is lathe.
i know many of you are familiar with
this topic
can you hear me clearly?
i think ti would be best to start out by
looking at the picture on the screen
i would like to talk about first is the
definition of the lathe
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question
that is all,thank you very much
do you have any questions? please
show me your hand.
who else?
i think we have time for just one more
question


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