In the third part, this article takes auxiliary words of "Yuan" and compares with three different times works, finally obtains its function and the characteristic.
第三部分主要是将《元》的助词系统与三个不同时代作品中的助词系统进行比较，最后归纳出其使用上的特点和时代特征；
Besides the storage battery charging, it works as a stable 110v auxiliary power supply which provides electric energy to the control system and signal produced circuit.
它除了给机车上的蓄电池充电之外，还给机车提供稳定的110 V辅助电源，为控制系统以及信号发生电路供电。
From the viewpoint of whole works of roof the integral design of roof and the importance of auxiliary engineering are discussed in order to ensure the construction quality of roof works.
结合某工程实例提出屋面设计的思路和屋面防水材料的应用，从屋面工程的整体出发，浅谈屋面工程的整体设计及相互匹配的重要性，提出了保证屋面工程质量的看法。
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