The extreme point of coupler curve of four-bar linkage is defined to measure the curve span and the objective fucntion for the curve span minimization is presented.是什么意思_The extreme point of coupler curve of four-bar linkage is defined to measure the curve span and the objective fucntion for the curve span minimization is presented.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句