Safety grade是什么意思

网络释义

用法例句

In view of the weakness of existing evaluation methods for safety grade of coal mines,a new one based on artificial neural networks is investigated.

针对现有煤矿安全程度评估方法存在的不足,探讨了一种基于人工神经网络的煤矿安全程度评估模型。

Innovate security management to guarantee survival and development of enterprises;

创新安全管理 保障企业生存发展

Application of grey correlation analysis approach to the urban eco-security evaluation;

灰关联分析在城市生态安全评价中的应用

Preliminary Study on the security of Backpacker Tourism in the remote countryside;

偏远农村地区背包旅游安全问题初步研究