Related: "Saturn Moon Has Oxygen Atmosphere."
相关文章土星的卫星上有氧气吗？
Under the atmosphere, scientists think there is a very thin crust of carbon and oxygen.
科学家们认为在大气层下存在着一层由碳和氧组成的稀薄地壳。
The planet has a relatively thin atmosphere composed mostly of nitrogen and oxygen.
这颗行星有相对较薄的大气层，主要由氮气和氧气组成。
This would translate to a loss of about 1.1 per cent of our present stock of oxygen - down to 20.7 per cent of the atmosphere.
这将会导致大气中现有的含氧量进一步降低1.1个百分点，降至20.7%。
Under the atmosphere, scientists think there is a very think crust of carbon and oxygen.
科学家认为在大气圈内，存在着由碳和氧较重元素组成的壳层。
Most species prefer a micro-aerobic atmosphere (containing 3-10% oxygen) for growth.
多数菌种喜欢微氧生长环境（含3-10％的氧气）。
There are many other conditions needed for human life other than oxygen in the atmosphere.
对人类生命而言，除了大气里有氧气之外，还有许多其他条件。
Oxygen, nitrogen, and carbon dioxide are some of the gases found in the atmosphere.
氧气、氮气和二氧化碳，是在大气层中发现的一些气体。
Currently, oxygen is about 21 percent of the atmosphere.
目前大气中的氧气含量大约是21%。
Plants drink in oxygen from the atmosphere.
植物从大气中吸收氧气。
It goes without saying that oxygen is the most active element in the atmosphere.
不言而喻，氧气是大气中最活跃的元素。
Oxygen makes up about a fifth of the atmosphere.
氧气约占大气的五分之一。
To explore the control method of oxygen concentration in the atmosphere compression chamber.
探讨空气加压舱舱内氧浓度的控制。
For a long time the earth's atmosphere did not contain much oxygen.
在漫长的岁月里，地球的大气层并不含有大量氧气。
With the oxygen increase in the roasting atmosphere, the product quality degrades because of oxidation.
随着焙烧气氛中氧含量的增加，焙烧产品将因氧化而导致质量逐渐变差。
A plant drinks in oxygen from the atmosphere.
植物从大气中吸取氧气。
The mercury removal efficiency can reach 86% with 10% oxygen in the atmosphere under UV light.
在一定的催化剂质量和烟气流量比及紫外光照下，加入10%氧气脱汞效率可以达到86%。
Our own atmosphere is mostly nitrogen, with about twenty-percent being the oxygen we breathe.
我们地球上的大气主要是有氮组成，其中我们所呼吸的氧气大概占了20%。
Our own atmosphere is mostly nitrogen, with about twenty-percent being the oxygen we breathe.
我们地球上的大气主要是有氮组成，其中我们所呼吸的氧气大概占了20%。
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