About Duan Zhenyun
About 沈陽工業大学 机械工程学院,沈陽,110870
About Meng Sensen
About 沈陽工業大学 机械工程学院,沈陽,110870
About Zhao Wenzhen
About 沈陽工業大学 机械工程学院,沈陽,110870
About Zhao Wenhui
About 沈陽工業大学 机械工程学院,沈陽,110870
About Zuhejichuang yu Zidonghua Jiagong Jishu
About measurement accuracy
About least squares method
About Measuring methods and instruments of length,area,cross section,volume,angle
About Gears,gear units
About 半径
About 制約
About 最小二乗
About 大歯車