G02/G03 CR=_X_Y_表示用()编写的圆弧程序。
A.圆弧终点和圆心
B.半径和圆弧终点
C.圆心角和圆心
D.圆心角和圆弧终点
参考答案:B
They are now. [ ]
A. play chess
B. playing the chess
C. play the chess
D. playing chess
四等水准测量中,前后视距差的累积值,不能超过()。
A.3m
B.5m
C.6m
D.10m