basic equations的用法和樣例：
例句
- For the sake of designing spiral bevel gears with the best loaded contact behavior, in this paper, the movement equations for two elastic conjugating teeth are established.
本文在柔性多體運動學基礎上，建立了兩彈性共軛齒面運動基本方程。 - 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。
