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【简答题】
对于图示有向图,若选支路(1,2,3,7)为树,试写出基本割集矩阵和基本回路矩阵;另外,以网孔作为回路写出回路矩阵。
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皮皮学刷刷变学霸
举一反三
【简答题】通常人的味觉能分辨出 余种不同的味觉信息。
【单选题】听力原文： Have you eaten too much over the holidays? You should try fidgeting, or moving your hands or feet for a while. Those around you might not like it, but scratching and twitching is an important wa...
A.
Keeping moving hands and feet.
B.
Jogging several miles.
C.
Walking a long distance.
D.
Taking deep breathes.
【单选题】---Have you eaten your hamburger, Sue ? ---Yes. But I’m still hungry. Could I have a ________ one please ?
A.
second
B.
other
C.
else
D.
two