One of the preconditions is generating dynamic excitation signals for the sensitive element test.
实施敏感部件的测试的前提条件之一，是要有动态激励信号产生。
Trace element test results are affected by various factors and the establishments of reference intervals are also complicated.
微量元素检测受到多种因素的影响，其正常参考区间的建立也显得非常复杂。
Tractors and self-propelled machines for agriculture and forestry - Operator enclosure environment - Part 4: air filter element test method.
农业和林业用拖拉机和自驱动机械。驾驶室环境。第4部分：空气过滤元件试验方法。
Equality testing of two structures must be performed with an element-by-element test.
两个结构的相等测试必须以逐个元素地进行测试的方式执行。
Equality testing of two structures must be performed with an element-by-element test.
两个结构的相等测试必须以逐个元素地进行测试的方式执行。
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