任何乘以“0”的运算数都可以被简化成零。
而在XPath 2.0中，sequences和for运算符可以大大简化这种任务。
With XPath 2.0, your task is greatly simplified with sequences and the for operator.
本文首先将内孔拉削系统简化为单自由度系统，给出其振动的数学模型并对其进行运算和处理。
In this article the broaching internal round hole system is simplified to the single-freedom system.
本文首先将内孔拉削系统简化为单自由度系统，给出其振动的数学模型并对其进行运算和处理。
In this article the broaching internal round hole system is simplified to the single-freedom system.
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