state equations的用法和樣例：
例句
- The limit state equations of main failure modes are formulated by the increment interval load method.
并提出用區間增量載荷法生成主要失效模式的極限狀態(tài)方程。 - The spline parameters and their derivatives are taken as state variables, the state equation is established.
引入樣條參數及其對時(shí)間的導數作為狀態(tài)變量，導出狀態(tài)方程。
