The paper introduced design of a data collection system of simulation training for using self-rescuer based on radio frequency technology and introduced design of its software and hardware in details.

文章介绍了一种基于无线射频技术的自救器使用模拟培训数据采集系统的设计，详细介绍了该系统的软、硬件设计。

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The paper provided an economic and practical self-rescuer relay emergency refuge method. The personnel into the mine shall wear the compressed oxygen self-rescuer.

提出了经济实用的自救器接力紧急避险方法：入井人员佩戴压缩氧自救器；

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But it is primitive nationalism, egged on by the self-deluding myth of Serbs as perennial victims, that has become both Mr Milosevic's rescuer (when communism collapsed with the Soviet Union) and his nemesis.

ECONOMIST: What next for Slobodan Milosevic?