With more and more strict exhaust emission standard in recent years, the motorcycle which can not be up to the emission standard will not be launched.

随着国家对大气环境治理力度的加大，摩托车排放法规会逐年加严，达不到排放法规要求的摩托车将不允许投放市场。

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To formulate an adaptable motor vehicle exhaust emission standard is one of the important events of air pollution control according to domestic and foreign experience.

根据国内外经验，制订合适的汽车废气排放标准是控制大气污染措施之一。

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With the ever-stringent vehicles exhaust emission standard and higher requirements on economics, more de-mand have been put forward on the technology of optimization and calibration.

随着汽车排放法规的日益严格，同时对经济性的要求越来越高，对电控发动机的优化标定技术提出了更高的要求。

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