网络图上时差Si-J的计算化式为()
A、Si-j=TLI-TLS
B、Si-j=TLI-TES
C、Si-j=TLS-TEF
D、Si-j=TLS-TES
参考答案:D
As a reward ______ his contribution ______ botany, John Banks had a flower named ______ him
A.for, for, for
B.for , to , after
C.for , for , after
D.of, to, for
同轴线的两轴连接,要进行同轴度的检查和调整,这种工作称为
A.轴系找正
B.轴系对正
C.轴系对中
D.轴系找中