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【简答题】
工件可近似地看成(),要使工件在某个方向有确定位置,就必须限制该方向的自由度。如果要使一六方体工件在空间处于唯一确定的位置,可在三个相互垂直的平面上,用()来限制工件的全部自由度,上述确定工件唯一确切位置的规则,就称为六点定位规则。
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【单选题】当滑移率为 100%时,横向附着系数降为
A.
100%
B.
50%
C.
0
D.
都不对
【单选题】上述题目中该物质的吸收剂量率是
A.
0.5mGy·s-1
B.
0.05Gy·s-1
C.
5cGy·s-1
D.
5Gy·s-1
E.
5mGy·s-1
【单选题】Michael’s new house is like a huge palace,         with his old one.
A.
comparing
B.
compared
C.
to compare
D.
compares
【判断题】Chomsky agreed that language is a form of behaviour.
A.
正确
B.
错误
【单选题】【C16】
A.
originally
B.
traditionally
C.
basically
D.
inevitably
【判断题】集装箱船箱位号为120606的集装箱在船舶右弦。
A.
正确
B.
错误
【单选题】Michael’s new house is like a huge palace, with his old one.
A.
comparing
B.
compares
C.
to compare
D.
compared
【简答题】A.simply B.necessarily C.reluctantly D.inevitably
【单选题】Michael’s new house looks like a palace, compared his old one.
A.
of
B.
with
C.
for
D.
in
【单选题】当滑移率为 100% 时,横向附着系数降为
A.
100%
B.
50%
C.
0
D.
都不正确