The formula presented is reasonable in theory and is helpful to the improvement of the techniques of dam construction and the accuracy of safety grade evaluation of dam buildings.

该公式在理论上有一定的合理性，有助于改进坝工技术，提高坝工建筑物安全等级评估的准确性。

youdao

Expert evaluating system can rapidly track and correctly forecast hazard grade at small open stone quarries, improve the efficiency of safety evaluation and raise reasonable safety countermeasures.

危险程度的专家评价系统能快速地跟踪和准确地预测小型露天采石场危险程度，提高安全评价的效率并及时提出合理的安全对策措施。

youdao

Analysis and evaluation were carried out on the safety grade of the radiation source, radiation prevention site and the exposure dose level of the working staff.

方法通过现场监测，按照标准对辐射源安全级别，场所辐射防护区域，工作人员接受的剂量水平进行分析评价。

youdao