state equation

• 状态方程,物态方程

state equation的用法和样例：

例句

1. The spline parameters and their derivatives are taken as state variables, the state equation is established.
   引入样条参数及其对时间的导数作为状态变量，导出状态方程。
2. The limit state equations of main failure modes are formulated by the increment interval load method.
   并提出用区间增量载荷法生成主要失效模式的极限状态方程。