英语词汇safety ratio怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	safety ratio
释义	safety ratio 简明释义安全率网络释义 1 ?安全比 ... 安全保 safety protection program; safety protection system; safety system 安全比 safety ratio 安全边 safe edge ... 2 ?安全贡献率安全贡献率 3 ?安全率安全率短语 1 margin of safety ratio 安全边际比率 2 Margin-of-Safety ratio 安全边际率 3 operating safety ratio 经营安全率双语例句 1 For pipelines with a uniform gradient, safety ratio is an important index for evaluating the hydraulic safety of a system. 对于均匀坡度的管道系统，安全率是评价系统水力安全性的重要指标。 2 This paper discusses the breakeven point engineering volume, break even point unit price, profit and operating safety ratio in the contract of drilling engineering. 探讨了钻井工程承包中盈亏平衡点工程量、平衡点单价、利润及经营安全率等问题。 3 The dynamic shear modulus ratio and damping ratio of soil are indispensability for seismic safety evaluation and soil layer seismic response analysis of engineering sites. 土的动剪切模量比和阻尼比是工程场地地震安全性评价工作和土层地震反应分析中不可缺少的重要参数。
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