Easy installation: Produced by using integral advanced technology, easy to install, no need to change original parts.
安装方便：采用一体化的整体先进技术生产，安装方便，无需改动车辆原有部件。
Mechanical parts information system is just the integral system which is constructed together by enterprises' parts libraries in Internet environment.
机械零部件信息系统是企业的零部件库在互联网环境下联结成的整体系统的总称。
This paper give a series Integration formula of indefinite integral by inverse function method, which use the relationship of a function and its inverse function and the Integration by parts.
由原函数与反函数的关系、分部积分公式以及变量代换得出利用反函数法求不定积分的一系列积分公式。
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