It's actually simpler than it sounds — the scientists are developing a system that exploits sewage-loving bacteria to produce nitrous oxide, which can be used up by a rocket thruster.
其实比所扬言的要简单得多。科学家们正在开发一种系统利用在污水容易滋生的细菌产生氧化氮，通过火箭推进器燃烧耗尽。
The most flux of the propellant depends on the self-pressurizing ability of the nitrous oxide supply system.
推进剂最大流量依赖于一氧化二氮供应系统自身增压能力。
There was little influence on respiratory and circulatory system in patients of nitrous oxide group and combined group.
笑气组和联合组在术中能保持呼吸循环功能稳定。
There was little influence on respiratory and circulatory system in patients of nitrous oxide group and combined group.
笑气组和联合组在术中能保持呼吸循环功能稳定。
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