【单选题】由于变压器体积大、重量重、价格昂贵,所以把它们从电路中去掉能节省不少费用。Since transformers are large, heavy, and expensive, results in considerable savings.
A.
the circuit eliminates them
B.
their eliminating from the circuit
C.
their elimination from the circuit
D.
the eliminating of them from the circuit
【判断题】摆线长度相等的单摆,初始摆动幅度大的周期也大。
【单选题】客流图是旅客由发送地至到达地所经过的客流区段的 。
【判断题】摆线长度相等的单摆,初始摆动幅度大的周期也大
【单选题】客流图是旅客由发送地至到达地所经过的客流区段的 。