1) row-level security
行级安全
2) the grade of traffic safety
行车安全等级
4) safety grade
安全等级
1.
Meteorological condition analysis of road traffic accidents and safety grade standard:a case study of Heilongjiang Province;
道路交通事故气象条件分析及安全等级标准——以黑龙江省为例
2.
To define the relative weights in a qualitative and quantitative way Analytical Hierarchy Process,its electrical safety grade is acquired using the safety grade characteristic quantity.
应用模糊数学理论,将模糊综合评价方法引入工业企业安全评价,结合企业的实际管理情况将企业的系统根据需要分成若干个单元,建立多层次的安全评价因素体系,采用定性与定量相结合的层次分析法确定评价因素的权重,并采用安全等级特征量对模糊综合评价结果进行处理,得出企业的安全等级。
5) safety gradation
安全分级
1.
Some risk assessment approaches in relevant fields were applied to establish the safety gradation for the underground excavation engineering in non-coal mines depending upon a great number of the achievements in rock mechanics and measuring techniques and the research experiences in this field.
笔者借鉴类似行业的评价方法并结合多年地下工程安全经验,综合应用国内外岩体力学研究和测试的成果,建立了针对非煤矿山地下开挖工程的安全分级体系。
6) Safety classification
安全等级
1.
On the basis of analyzing factors which influence the stability of stope roof, the article sums up the related evaluating criterion, and carries out the stope roof safety classification of underground mines with application of the basic classifying method, artificial neural network, and analyzing method of grey relevance as well.
本文通过对影响采场顶板稳定性的因素分析,总结出其影响因素评价指标,应用简单的划分方法以及灰色关联度分析方法和人工神经网络方法,对地下矿山的采场顶板进行了安全等级的划分。
补充资料：行级
1.行列。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条