光电盘刻线为900条,配合电子八等分细分电路,则其分辨率为:()。
A.0.1°
B.0.2°
C.0.05°
D.0.5°
参考答案:C
组词成句
1. have, too, her friends, a good, all, time
_______________________.
2. what, go, does, every, to school, day, time, she
3. of, some, the students, watch, the sofa(沙发), TV, in
4. her, share(分), Millie's friends, with, the cake
5. from, some, books, get, my mother, usually, I
同 一平面内的二个力,大小分别为3N、7N,若二力同时作用于某物体,则该物体受二力合力可能( )
A.3N
B.5N
C.7 N
D.11 N