... pyramid of growth ==> 生长棱锥体 pyramid of the first order ==> 初级棱锥体 pyramid ratios ==> (进行财务比率分析的一种方法)金字塔形比率 ...
双语例句
1
Based on the screw theory, thefirst-order effect coefficient matrixes of a 3-upu parallel pyramid mechanism under initial position and movement along X-coordinate axis are established.