... integration symbol 积分符号 integration variable 积分变量 integration 积分 ...
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对某些积分器而言,积分变量可以不是时间。
For some integrators, the variable of integration may be other than time.
以椭圆的离心角为积分变量,得到椭圆柔性铰链的转角计算的积分公式,推导出椭圆柔性铰链的刚度表达式。
In this paper, an integral formula for elliptical flexure hinge is deduced by introducing centrifugal Angle as the integral variable.
在一般教材中二重积分变量代换公式的证明通常采用几何的方法,也有部分数学分析教材给与了严格的分析证明,但证明不便直观的几何说明。
With proper method of variable substitution, the soluble method to two kinds of inegrable equation of Riccati form is found, and the general integral expressions are given.
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