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【多选题】
电子设计自动化发展可分为哪几个阶段？A.
CAD
B.
CAE
C.
EDA
D.
DEA
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【简答题】(1) He had (unique, union) ability of raising money. (2) First generation college students tend to have much heavier (broaden, burden) than their peers. (3) Cereals form the staple food of an (enormou...
【简答题】1 The operator moved the brake valve to “_____________” when he saw a car on the track. 2 Before the ______________________ was installed, the train had too many wires. 3 Air brakes tend to have a lo...
【单选题】He could not ______ himself any longer from losing his temper when he learned that his teenage son had skipped class again.
A.
steer
B.
restrain
C.
nurture
D.
tend
【单选题】根据以下材料，回答题 I once had a friend that was diagnosed with， terminal cancer， and the news that he might only live up to six months was a great shock to him， his family， and his friends.However， in spite o...
A.
Satisfied.
B.
Surprised.
C.
Terrified.
D.
Confused.
【简答题】如果不以齿顶圆柱面作为测量齿厚的基准，且不以它作为切齿时的找正基准，则盘形齿轮的齿轮坯公差应规定哪几项?试述它们的名称(用图样标注的形式来解答)。
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