
A.5
B.10
C.15
D.20
[单选题]A.48.29°B.138.29°C.131.4°D.30°
[单选题]A.48.29°B.138.29°C.131.4°D.30°
[单选题]A.二进制编码B.曼彻斯特编码C.差分曼彻斯特编码D.归零编码
[单选题]A.二进制编码B.曼彻斯特编码C.差分曼彻斯特编码D.归零编码
[单选题]A.68.16B.79.83C.72.82D.56.48
[单选题]A.静止状态B.临界平衡状态C.滑动状态D.条件不足,不能确定
[单选题]A.9143吨B.9052吨C.8875吨D.8599吨
[单选题]A.3392吨B.500吨C.3571吨D.3607吨
[单选题]A.10%B.12%C.8%D.20%