security assessment短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 可靠性估计 The paper introduces the basic concept and methods of security assessment. The applications of security assessment in domestic electric power enterprises are given. 介绍安全性评价的基本概念和基本方法，以及安全性评价在国内电力企业中应用发展的情况。 chemyq