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This paper firstly retrospects the safety states of electric power systems under natural hazards in recent years in the world, especially the main natural disastrous effects on power systems in China.
本文回顾了近年来世界各国的电力系统在自然灾害下的运行安全状况，特别是我国近年来电力系统的主要自然灾害状况。
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It took courage to sail the Atlantic singlehanded.
单枪匹马驶向大西洋需要很大的勇气。
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Simulated data had be used to check these methods. Calculation results were quite satisfactory, in which exponential sampling, CONTIN and NNLS was suitable for unimodal and bimodal distribution. Based on the theoretical study, a PCS ultrafine particle size measurement apparatus was set up.
在以上理论分析的基础上，应用PCS理论研制了一台超细颗粒粒径测量装置，该装置在国内无关键专用设备----数字相关仪的情况下，采用软件辅以外围硬件设备替代数字相关仪，实践证明是有效的。
Don't
stop moving...