“发动机可变气门正时控制”的概念、定义、翻译、参考文献-科学参考

单词	发动机可变气门正时控制
释义	发动机可变气门正时控制 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	linear weight sum method line asymmetry line at infinity lineation line attenuation line balance line band line-based method line based rendering line bisector line blanketing line blanketing index line blanking line blending line blocking line blocking factor line breadth line-breadth line broadening line broadening by rotation line broadening by turbulence line bundle line-by-line scanning line carving monument of the Central Mountain Temple in Dengfeng City line carvings of Zaju Opera and music and dance performances in the Erxian Temple in Limen Village, Gaoping City

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。