氧气含量 meaning in English
oxygen content
Examples
- Officials say air samples show oxygen levels that can support life
政府说空气样本证实现有的氧气含量可以支持生命。 - Officials say air example shows oxygen levels that can support life
官方表示：空气取样表明这里的氧气含量足以支持生命的存在。 - The effects and mechanisms of oxygen percentage and thickness on the refractive constant were analyzed
分析了溅射气体中氧气含量和薄膜厚度对折射率的影响及机理。 - Check all items in the checklist , such as test of content of oxygen , test of explosion point , exploded - proof lamp , good ventilation
核对检查单并检查所有项目，如测量氧气含量，检验爆炸点，防爆灯和通风。 - The cause of the event is still not known , but before that the atmosphere was dominated by methane and ammonia . today oxygen makes up about 21 % of the atmosphere
引起这个时间的原因一直不为人所知，但是以前的大气层充满甲烷和氨气。现在空气中的氧气含量达到了21 % 。