就像是未曾开化的运算系统。
当访问压力增大时，系统降低运算量来提高系统性能。
When system load increases, the system can still reduce the computing time.
显然，空间运算是GIS系统相当重要的部分。
Apparently, spatial operation is a very important part of GIS.
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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