HEV驱动系统参数（发动机功率、电动机功率及传动系速比等）对车辆的动力性、燃油经济性和排放性能均有显著影响。
The parameter(engine power electromotor power and ratio of driveline)of powertrain system for HEV have notable influence on dynamical performance economical fuel consumption and emission of vehicle.
能源危机、排放法规日益严格和温室气体效应，系当今世界环境方面的三大矛盾聚焦点。
Energy crisis, increasingly tough emission rules and effects of greenhouse gases are the three focuses of major contradictions on today's environmental aspects of world development.
空气污染源排放清单编制工作的基本程序包括建立坐标系、建立空气污染源数据库、编制排放清单和排放报告；
The basic procedure of emissions inventory compilation includes building reference frame, establishing an emissions database and working out emissions inventory and report.
大型底盘测功机是在室内完成汽车经济性试验、动力性试验、排放性能评价与分析、可靠性试验以及与车辆传动系有关的专项试验等所必需的大型设备。
The LVCD is an equipment for testing vehicle oil economy, power performance, engine exhaust emission appraisal and analysis, reliability and some specific items of vehicle power train.
另一方面，减少了汽车的废气排放，有利于环境保护：此外，还可显著提高汽车制动系零部件的使用寿命。
Therefore, automobile fuel consumption and exhaust gases can be reduced. By the way, it can benefit the environment, and can prolong the life of vehicle's braking system.
另一方面，减少了汽车的废气排放，有利于环境保护：此外，还可显著提高汽车制动系零部件的使用寿命。
Therefore, automobile fuel consumption and exhaust gases can be reduced. By the way, it can benefit the environment, and can prolong the life of vehicle's braking system.
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