本论文提出一种新的测试方法，并在此方法上研制出基于车载式的汽车尾气排放测试系统。
In this paper, a new type of measurement method is presented. Based on the method an on-board vehicle exhaust emission test system is developed.
我们监测了油耗，进行了尾气排放测试，还有我刚才所说的废油分析，另外还有引擎检查。
We monitor the oil consumption, we run emission testing, as I mentioned, we do used oil analysis, and we do engine inspections.
世界第二大汽车制造商——大众汽车已承认其曾于2015年在美国出售的无数柴油汽车上安装软件，以蒙混尾气排放测试。
Volkswagen, the world's second biggest car maker, admitted in 2015 that it had installed software in hundreds of thousands of diesel cars in the U. s. to cheat emissions tests.
与此同时，中国正准备推出一套新的排放测试标准，更严格地限制氮氧化物等尾气的排放——氮氧化物等尾气会引发呼吸系统的疾病。
Meanwhile, China is preparing to introduce a new set of emissions testing standards, with tougher limits on exhaust gases such as nitrogen oxides, which cause respiratory diseases.
采用一套车载尾气测试系统，对选取的6辆代表性车辆在宁波市实际道路行驶中的瞬时排放进行测试。
Using a set of on-board vehicle emissions test system, 6 selected typical vehicles were tested on urban roads in Ningbo.
测试结果表明，这样可以显著地减少关键地区的尾气排放量，而旅行时间基本保持不变。
Tests showed a large reduction in emissions in the critical area and no significant changes in journey times.
测试结果显示，该方法能显著减少关键区域的尾气排放量，而车辆行程时间基本保持不变。
The simulation results show a large reduction of emissions in key areas and a basically unchanged travel time.
测试结果显示，该方法能显著减少关键区域的尾气排放量，而车辆行程时间基本保持不变。
The simulation results show a large reduction of emissions in key areas and a basically unchanged travel time.
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