“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	computer-aided human experiment computer-aided industrial design computer aided information analysis computer-aided instruction computer-aided instruction, CAI computer aided logistic support for aircraft materiel computer aided manufacturing computer-aided manufacturing computer-aided manufacturing, CAM computer-aided mechanical design computer-aided pharmaceutical analysis computer-aided piping design computer-aided process design and computer-aided engineering in chemical industry computer aided process planning computer-aided process planning computer-aided process planning, CAPP computer-aided process plant design computer aided production management Computer Aided Reporting computer aided roll pass design computer aided sign language interaction computer-aided software engineering computeraided software engineering computer-aided software engineering, CASE computer-aided spectrum simulation

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。