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degree of safety
el. 安全程度
hydroel.st. 安全度
space 安全系数
tech. 安全; 强度储备
 English thesaurus
degree of safety
mil. A measure of safety of a device or system expressed as a probability of the occurrence of a potentially hazardous event
degree of safety: 3 phrases in 2 subjects
Nautical1
Technology2