So the spread of agriculture could very well have a profound effect on the composition of Earth's atmosphere.
所以农业的扩张很可能对地球大气的组成产生深远的影响。
The answer to this riddle lies in the metabolic activity of early photosynthetic life-forms that slowly but surely transformed the chemical composition of Earth's atmosphere.
这个谜题的答案在于早期光合生命形式的新陈代谢活动，这种活动缓慢但一定改变了地球大气的化学成分。
As the precision of our instruments improve, we should be able to learn some incredible information about the planet's atmosphere and composition, and, by extension, the nature of other solar systems.
随着仪器精度的提高，我们应该可以从这颗行星那里了解到有关其大气和成分的宝贵信息，以此类推，还可以了解到其他恒星系的特性。
They crunch Numbers that simulate the processes that drive Earth's climate, like incoming sunlight and the circulation and composition of the ocean and atmosphere.
他们综合日射日光、海洋和大气的成分及流通的有关数据，模拟影响地球气候变化的过程。
Thus, the nutrient composition of sea water is maintained by organisms which also stabilize the improbable composition of the atmosphere.
海水中的养分保存在有机物中，有机物对大气层奇异的构成也有稳定作用。
Astronomers have been able to detect the atmospheres around several exoplanets, including HD 189733b-one of the first alien words to have its atmosphere sniffed to determine its composition.
天文学家们已经能够探查出有一些外行星周围有大气，包括HD 189733 b -第一批外星语命名的行星，使它的大气被吸入来测定它的组成。
By training a spectrograph on this light, scientists can tease out the composition of the planet's atmosphere.
通过将光谱仪对准这些光线，科学家们将可以梳理出这颗行星的大气层成分。
The amount of energy emitted by the Earth depends significantly on the chemical composition of the atmosphere, particularly the amount of heat-trapping greenhouse gases.
而地球向太空所辐射的能量多少，则在于大气层中空气成分构成，尤其是温室气体的含量大小。
This stunning photo-manipulation of the legendary island Atlantis, has a great atmosphere and a well-made composition.
这一令人眼前一亮的处理图片是传奇之岛——亚特兰斯蒂，它有着高贵的气氛、精致的成分组合。
This stunning photo-manipulation of the legendary island Atlantis, has a great atmosphere and a well-made composition. A dreamy piece that shows good skills.
这一令人眼前一亮的处理图片是传奇之岛——亚特兰斯蒂，它有着高贵的气氛、精致的成分组合。着实是一幅梦幻的作品，尽显高超技艺。
Uranian atmosphere, by composition, is 83% hydrogen, 15% helium and 2% methane although traces of other hydrocarbons have been found.
天王星大气的组成，是83%的氢，15%的氦和2%的甲烷等碳氢化合物虽然已发现的痕迹。
The conditions and elements present in the stellar atmosphere will dictate the chemical composition of the dust.
尘埃的化学成分受恒星大气呈现的状态与成分支配。
Objective To Evaluate the environment quality in underground construction site based on the measurement of atmosphere composition and microclimate.
目的通过对大气成分和微气候的分析，对地下工程内的环境质量进行整体评价。
The article describes the composition and application of a box type gas carburizing heat treatment line with controllable atmosphere.
本文介绍了控制气氛箱式气体渗碳热处理生产线的组成及其应用情况。
And mankind's influence on his environment is now such that he has changed the composition of the atmosphere over the past few centuries, so the effects of humanity can never be completely removed.
人类对环境的影响如此显著，以至于在过去的几个世纪里，人类已经改变了大气的组成成分，从这一点来看，要想消除人类对环境的影响是不可能的。
The spacecraft's seven instruments will carry out detailed mapping of the object's surface features, composition and atmosphere.
飞行器上搭载的七部仪器将对该天体的表面特征、元素构成和大气层进行细致的制图。
The gas composition of the controlled atmosphere for the heat treatment affects greatly the surface contents of the steel after heat treatment.
控制气氛热处理的炉气成分对热处理后钢的表面成分有很大影响。
At present, the performance of pressure swing adsorption is researched for controlling the composition and content in the controlled atmosphere storage.
本课题研究的是用变压吸附法调节控制气调库中的气体组成和含量。
According to carburizing steel's chemical composition and ore's case carbon requirements, the carbon potential of furnace inside atmosphere is controlled quantitatively.
根据所采用渗碳钢的化学成分及渗件表面合联量，对炉气联势进行定量控制。
By studying the mix of gasses inside the air, scientists can follow changes in the composition of the earths atmosphere.
通过研究气泡内混合的气体，科学家们就能对地球大气成分的变化有所了解。
In addition, the atmosphere in heat treatment, chemical composition and different sources of nitrides can influence the crystallization of oxynitride glasses.
另外，热处理气氛、化学组成以及氮的来源都对氧氨玻璃的析晶产生影响。
And we use this weak feature to measure the composition of gold in the atmosphere of the sun.
我们利用这个微弱的特性，来测量太阳大气中的黄金成份。
The relation between ash-fusion temperature and some factors such as measurement atmosphere, composition of ash and mineral matters were discussed.
论述了煤灰熔融性温度与测试气氛、煤灰成分、矿物组成等因素之间的关系。
The relation between ash-fusion temperature and some factors such as measurement atmosphere, composition of ash and mineral matters were discussed.
论述了煤灰熔融性温度与测试气氛、煤灰成分、矿物组成等因素之间的关系。
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