The Multi-work Condition Declivitous Impact Testing System was introduced which has variable impacting angle, rigidity, and length of stroke.
论述了多工况倾斜冲击试验系统，该系统具有可变的冲击角度，刚度和行程长度。
There is also multivariate testing, which compares more than one variable.
还有多元测试，一次可以比较多个变量。
The examples in this article illustrated how to use an XML variable for declaring, assigning, and testing values.
本文中的示例演示了如何使用XML变量进行声明、赋值和测试。
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