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This text shows several differentiating methods and the quality control method is improved.
介绍了道路交通事故多发点的多种鉴别方法，对质量控制法进行了改进。
This text shows network administrative system relevant analysis and designs, realize course and method.
本文展示了网络管理系统有关的分析与设计，实现过程及方法。
This text shows the fabric, principle, functions and experimental test of the PING-50 radioactive aerosols, gaseous iodine and noble gases'monitoring system.
介绍了PING-50联合监测系统的研制情况，对所研制的PING联合监测仪的结构原理、基本特性、实验结果、运行情况等作了阐述；
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