单词emission
n.: 排放；辐射；排放物；(书刊)发行
网络: 发射；放射；散发
（光、热、气等的）发出，射出，排放:
the production or sending out of light, heat, gas, etc.
排放物；散发物:
gas, etc. that is sent out into the air
发行(纸币,股票等)
(书刊)发行;发布(通知)
排放物
排放;辐射
adj.+n.:
automobile emission
n.releaseproductiondischargeemanationsecretion
n.absorption
Her eyes widened as she felt a sudden emission of air coming from the nostrils of the corpse.
接着，她瞪大了眼睛，因为她觉察到那具尸体的鼻孔里忽然呼出气来。
Developing the electric vehicles, wind energy and solar energy, China is trying to stride forward the goal of reducing the emission.
发展电动汽车、风能、太阳能，中国已经在努力向减排目标迈进。
Since then, the term "water hole" has been used to refer to searches at or around the hydrogen emission frequency.
自那时起，“水洞”及氢元素放射频率周围被用于相关的搜寻。
He said the likeliest explanation was an emission of radioactive steam from the containment vessel, although that had not been confirmed.
他说这很可能是由于放射性蒸汽外泄导致的，不过目前具体情况尚未得到证实。
Another meat related emission that is often forgotten is methane, a product of anaerobic digestion generated when a cow exhales .
另一种与肉食有关却常被忽略的废气是，牛放屁时所排放的厌氧消化产物——甲烷。
As in Europe and the US, trading in voluntary emission reductions is only one of many segments of the carbon market.
在欧美，自愿碳减排交易只是碳交易市场众多领域之一。
How much reduction can the booster achieve in exhaust emission?
按装汽车省油器之后会减低多少排放废气量？
Spectrophotometer and Laser Roman Spectrometer have been used for determining the intensity of transmission and emission.
用分光光度计和激光拉曼光谱仪分别测定了样品的可见光透过率和发光强度。
It is assumed that the emission and absorption of light energy by an atom or molecule is not a continuous process but occurs in steps.
假定原子或分子发射光能和吸收光只能不是一个连续的过程，而是阶梯式发生的。
It seems to be acceptable to charge a higher mark-up for fair trade coffee, organic bread or lower-emission petrol.
向公平贸易咖啡、有机面包或低排放汽油收取更高价格，似乎是可以接受的。