如何让在用柴油车实现环保节能，具有重大现实意义。
How to achieve conservation and energy saving with diesel automobiles is of important significance.
它简便、快速、准确，是一项具有重大现实意义的节能技术。
This quick, simple and accurate leak detection technique has significant application prospects for power economizing.
在高校教务管理中建立呼叫中心对提高教务管理水平具有重大现实意义。
It has important significance to improve educational administration management quality that educational administration management call-center is created in university.
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