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air safety Any measure, technique or design intended to reduce the risk of harm posed by either moving vehicles or projectiles above the earth's surface or pollutants to the earth's atmosphere (为降低因飞行器、火箭或污染物对地球大气造成损害的风险而采取的措施、技术或设计。) |
空气安 全 : 19 phrases in 6 subjects |
Automobiles | 1 |
Electronics | 3 |
Nuclear and fusion power | 1 |
Rail transport | 3 |
Shipbuilding | 9 |
Technology | 2 |