1.
Aircraft NO2 emissions are considered to be about 2% of the total world NO2 emissions.
飞机排放出的氧化氮约占全球氧化氮排放量的2%。
2.
Europe's merchant ships spew out around a third more carbon than aircraft do, and nobody is going after them.
欧洲货轮排放的含碳物质比飞机排放的高出三分之一以上，却其没有人在背后追赶叫骂。
3.
At present aircraft emissions are estimated to account for about 2% of the total world CO2 emissions.
目前，据估计飞机排放出的二氧化碳约占全球二氧化碳总量的2%。
4.
Aircraft emissions also influence acidification phenomena and local air quality.
飞机排放物也会导致酸化现象的出现并影响区域空气质量。
5.
Available estimates suggest that the contribution of aircraft emissions to local destruction of stratospheric ozone is at present less than 1%.
有资料显示，目前飞机排放气体对平流层抽样的区域破坏作用小于1%。
6.
Assessing the impact of aircraft emissions of NO2 in the upper troposphere is a complex task.
确定上对流层中飞机排放出的氧化氮对大气的影响是一项复杂的任务。
7.
Estimates of the overall impact of this on global warning are variable and are subject to a high degree of uncertainty.
飞机排放氧化氮对全球变暖的总的影响程度是不断变化的，也是很不确定的。
8.
Remote Sensing of Aircraft Engine Exhausts Using FTIR-emission-spectroscopy
FTIR发射光谱遥测飞机发动机排放指数
9.
Aircraft also emit nitrous oxide and methane: the emissions of these last two gases are, however, extremely small.
飞机也会排放出一氧化氮和甲烷，但这两种气体的排放量非常
10.
Clean Air Amendment (1970) provided stringent automotive, aircraft, and factory emission standards.
1970年洁净空气法修正案规定汽车、飞机与工厂排放标准。
11.
Based on Support Vector Machines Combustion Fly Ash Carbon Content and NO_x Emissions Characteristics Model
基于支持向量机的燃烧过程飞灰含碳量与NO_x排放特性模型
12.
A shelter especially for housing or repairing aircraft.
飞机棚存放或修理飞机的隐蔽处
13.
where aircraft stand while not being used.
飞机不用时停放的地方。
14.
Nitrogen oxides releases directly by supersonic aircraft into the stratosphere contribute directly to the depletion of the ozone layer.
由超音速飞机直接排放到平流层中的氧化氮会直接导致臭氧的消耗。
15.
moderator dumping safety mechanism
慢化剂排放安全机构
16.
discharge pressure
（气压机的）排放压力
17.
Study on the Exhaust Emission Control of 4102BZQ Diesel Engines;
4102BZQ柴油机排放控制研究
18.
The planes formed up over the airfield.
飞机在机场上空排成队列。