You should write the skeleton equation. 你應該列出基本方程式。
The thesis had deduced an elemenlavy equation of RMB on some hypothesis, described the market of Chinas RMB according to the current actual situation of China. 本文在一些假設的基礎上推導出了我國貨幣流通的基本方程，並結合我國的當前實際情況，描述我國的人民幣市場。
Starting with the basic equation of the hydraulic system this paper deals with the mechanism modeling for double triangle boom luffer and its hydraulic system. 從液壓系統的基本方程入手，對雙三角鑽臂變幅機構進行了機理建模。
