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【单选题】
对最终效果图的精度检测操作错误的是A.
点击偏差按钮,软件会自动比对所建立的模型与扫描出来完成的STL模型之间的误差分析。
B.
对于不影响模型美观程度的误差,可不进行调整。
C.
对于超出标准范围的误差,需重新调整修改,直至误差在标准范围以内。
D.
鼠标光标放在模型的任何一个地方都有误差数据显示。
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【简答题】Radar is used to extend the ________ of man’s sense of observing his environment, especially the sense of vision. A) validity B) liability C) capability D) intensity
【单选题】____ radar is to airplanes and ships, ______ eyes are to human's body.
A.
Such...as
B.
Just...as
C.
Such as...so
D.
Just as... so
【单选题】In restricted visibility the speed of a vessel without operational radar may be ________ enable effective avoiding action to be taken on sighting another ship．
A.
too low to
B.
too high to
C.
too high for
D.
too low for
【单选题】The basic principle of radar is illustrated by what happens when one shouts in a e. The echoof the shouting 11 the walls helps a person determine the size of i cave. With radar, however , the waves ar...
A.
through
B.
for
C.
on
D.
against
【单选题】My radar is not working．I require shorebased radar assistance．Is shorebased radar assistance ________ ？
A.
used
B.
available
C.
in use
D.
can be used
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