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同步图形扩展方式有 点 连式、 边 连式
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举一反三
【多选题】Failure of mechanical and electronic product includes ( ) stages.
A.
Medium term failure
B.
Accidental failure
C.
Loss failure
D.
Early failure
【单选题】0201C05 、Electronic Product Code(EPC) 最正确的释义是哪一个?( )
A.
电子产品代码
B.
产品电子代码
C.
自动识别
D.
编码体系
【单选题】We must do various experiments before a new electronic product is designed.这个句子可以改造成: Before ( ) a new electronic product we must do various experiments.
A.
design
B.
designing
C.
designed
D.
to design
【简答题】等底等高的圆柱和圆锥，圆柱的体积是圆锥的______，圆锥的体积是圆柱的______，圆柱的体积比圆锥大______，圆锥的体积比圆柱小______．
【简答题】等底等高的圆柱和圆锥，圆柱的体积是圆锥的______，圆锥的体积是圆柱的______．
【简答题】圆柱的底面半径是3cm，圆柱的高是5cm，则圆柱的侧面积是（ ）cm 2 。
【单选题】Which statement about Epeat is wrong?
A.
Its full name is Electronic Product Environmental Assessment Tool.
B.
It is an environmental certification evaluating computers.
C.
It includes 51 environmental criteria in total.
D.
To qualify for Epeat registration, a product must meet all 51 criteria.
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