When using the NA700 series of water level, with the level of micro-rotation angle i beat relatively large, may I ask whether there is accuracy of the instrument itself is affected?
在使用NA700系列水准仪时,随水平微动转动i 角跳动比较大,请问对仪器本身精度是否存在影响?
2
A new type of bending rotation ultrasonic micro-motor was developed.
研制出一种新型弯曲旋转超声波马达。
3
A kind of driving mechanism of micro-robot utilizing the traction force produced by the rotation of screws was studied.