断面图与剖面图的区别:断面图只画出断面的投影,而剖面图除画出断面投影外,还要画出断面后面构件留下部分的投影。()
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若无向图有K条边,则相应的邻接表中就有()个表结点。注:表结点即边结点
A. K-1
B. K
C. 2K
D. K2
若有向图有K条边,则相应的邻接表中就有()个表结点。注:表结点即边结点
A. K-1
B. K
C. 2K
D. K2
-Whose pencils are there?-They are ____.
A. my
B. me
C. mine
D. our
It's a dog. I don't know ____ name.
A. its'
B. its
C. it
D. it's