The library service only follows the cor-respondingprinciple, and could make its management fruitful.
图书馆服务只有遵循相应的原则，才能使其管理工作卓有成效。
2
In this paper, the principle of the eddy acceleration geophone is summarized, the parameters systems responding to the working principle is introduced.
文章概述了涡流检波器的工作原理，介绍了有关参数和测量方法。
3
Creation of principle is a result that some law idea is established responding practice needs.