该方法不仅可用于测量两轮对中参数，而且有助于机械工对车轮参数的有效调整。
The method will not only be used for measuring the two wheel alignment parameters but also help mechanician to adjust the auto wheel parameters effectively.
比较简单而且有效的方法就是找一些起作用的事去做，并且要多做这样的事。
The simpler and more effective way is to find the few things that are working and do more of that.
如果您无意将自己的系统调用加入公共的Linux内核中，那么系统调用就是将内核服务提供给用户空间的一种方便而且有效的方法。
If you have no intent of mainlining your system calls into the public Linux kernel, then system calls are a convenient and efficient way to make kernel services available to user-space.
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