1) same standard
同度量
2) isometric
[英][,aɪsə'metrɪk] [美]['aɪsə'mɛtrɪk]
同度量的
3) homeomorphic metrics
同胚度量
4) metric isomorphism
度量同构
5) isometric transformation
同度量度换
6) coaxiality measurement
同轴度测量
1.
The error of coaxiality measurement for bearings of crank shaft of large-scale marine diesel engine is analyzed in this paper,then the influences of random errors and system errors are discussed,finally the error formula of the measuring system is presented.
结果表明,该方法的测量精度可以满足船舶主机主轴承孔同轴度测量的精度要求,同时也提出了进一步减少测量误差提高测量精度的方法。
2.
A CMOS method of coaxiality measurement for bearings of crank shaft of large-scale marine diesel engine is presented in this paper,in which installation reference line uses laser diode with single mode fiber pigtail and position sensor of center of crank shaft bearings is composed of a CMOS image sensor and a rotating inductance displacement transducer.
实验结果表明,该方法不仅完全可以满足船舶主机支承孔同轴度测量的精度要求,而且具有良好的经济性和灵活性。
补充资料：可公度量和不可公度量
可公度量和不可公度量
ommensulble and incommensuable magnitudes (quantities)
可公度t和不可公度t【~e璐u由lea目in~men-su.ble magultodes(quanti柱es);“洲口Mel娜M毗“”“”-113Mep目M曰e肠eJ皿，一皿曰』 如果两个同类量(例如两个长度或两个面积)具有或不具有公度(common measure，即另一个同类量，所考虑的两个量都是这个量的整数倍)，则相应地称这两个量为可公度量或不可公度量.正方形的边长和对角线，或圆的面积和丫的半径的平方，都是不可公度量的例尹.如果两个量是可公度的，则‘l艺们的比是有理数;相反，不可公度量忿比是无理数、
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条