“engine variable valve timing control”的概念、定义、翻译、参考文献-科学参考

单词	engine variable valve timing control
释义	engine variable valve timing control Encyclopedia 工学发动机电子控制系统释 engine variable valve timing control发动机可变气门正时控制通过机械、电磁或液压控制等方式，改变发动机气门开始开启和关闭时刻的气门正时，从而改善燃烧过程，尽量减少耗油量和废气排放，从而提高发动机的综合性能的技术。
随便看	minimum connecting time of flights minimum convex set minimum corona minimum-cost circulation minimum cost flow problem minimum-cost flow problem minimum-cost function minimum-cost maximum flow problem minimum covering minimum covering problem minimum curvature property minimum cut minimum cut theorem minimum deflection angle method minimum deformation principle minimum degree minimum delay deconvolution minimum delay signal minimum density minimum description length minimum detectable brightness minimum detectable concentration minimum detectable error minimum detectable flux minimum detectable flux density

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