The author also studied the more valid construction method and the technique WLAN, and how to serve the school educational administration activity.
研究无线网络更有效的建设方式和技术方法，以及如何服务于学校教务活动。
A valid Construction Noise permit issued by the Environmental Protection Department is required for the carrying out of percussive piling during the permitted hours.
如须于核准时间内进行撞击式打桩工程，必须事先取得由环保署签发的建筑噪音许可证。
For this structure form, sliding construction technique is a valid construction method, and it can be divided into vary methods according to different classification standard.
滑移施工技术是一个较大的范畴，按照不同的分类标准，可分为多种方法。
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