To comply with these regulations, automakers are being forced to develop ultra low-emission engine systems by optimizing combinations of technologies related to combustion, aftertreatment and fuel.
为了满足这些排放法规，汽车制造商不得不优化相关的燃烧、后处理和燃料等技术，从而开发超低排放发动机系统。
Solid propellant engine systems are basically less flexible in operation than liquid or hybrid propellant systems.
固体推进剂发动机系统的可调性基本上比液体或混合型的要差。
A quasi three dimensional flow Euler model with viscous force terms was constructed for integrated small turbofan engine systems.
建立了一体化弹用小涡扇发动机系统含粘性力项的准三维欧拉流动模型。
A set of general equations which can describe the operating process of all kinds of combination engine systems is given in this paper.
本文给出了一组能够描述各种组合发动机系统工作过程的通用方程组。
Therefore, this article applies suffix tree algorithm to the meta search engines, and designs a meta search engine systems with a clustering algorithm.
因此，本文将后缀树算法应用到元搜索引擎中，设计了一个带聚类的元搜索引擎系统。
Therefore, this article applies suffix tree algorithm to the meta search engines, and designs a meta search engine systems with a clustering algorithm.
因此，本文将后缀树算法应用到元搜索引擎中，设计了一个带聚类的元搜索引擎系统。
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