改变值 meaning in English

change value

That is , the value of the expression does not depend on global state , which can change value
就是说，表达式的值不依赖于可以改变值的全局状态。
A variable declared outside a procedure can be accessed and changed by any script in the asp file
变量声明在过程之外，则在asp文件里可以被任何脚本访问和改变值。
Most standard controls , even radio buttons and combo boxes , let users change their values from the keyboard by using arrow keys , the return key , or the spacebar
大多数标准控件，例如单选框、下拉选择框，让用户能够使用方向键、回车、空格来改变值。
The averaged relative change of the dependent variables between two successive iterations and the variation of this averaged change were selected as two input variables
该方向选取的控制输入量为：相邻两次迭代所有内节点上物理量的平均相对改变值；相邻两次迭代间这一平均相对改变值的变化量。