safety margin
参考词典中safety margin的常规释义：
基本释义
- 安全系数
英英解释
1个名词解释
- the margin required in order to insure safety
[同] margin of error, margin of safety, safety margin
[例]- in engineering the margin of safety is the strength of the material minus the anticipated stress
点击查看……- the margin required in order to insure safety
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