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1·For Variable Valve Timing (VVT) system, a kind of self-learning control method was proposed.

针对可变相位机构，提出了一种自学习型的控制方法。

2·An automatic control device of motorcycle variable valve timing (VVT) mechanism is introduced based on double CAM structure.

介绍了一种基于双凸轮结构的摩托车发动机可变配气正时(VVT)机构自动控制装置。

3·The effective anti-wear additive system minimizes wear in even the most sophisticated valve train mechanisms, including those with variable valve timing.

在有效的抗磨损添加剂磨损降到最低，即使在最先进的气门驱动机制，包括可变气门正时的。

4·Fully variable valve train may realize continuously variable valve timing and valve lift, and so it represents development trend of variable valve technology.

全可变气门机构能实现发动机配气定时和气门升程的连续可变，是可变气门技术的发展趋势。

5·Engine using variable valve timing technology can improve the intake charge, so that coefficient of charge increase, engine torque and power can be further improved.

发动机采用可变气门正时技术可以提高进气充量，使充量系数增加，发动机的扭矩和功率可以得到进一步的提高。

6·A variable valve timing mechanism has been developed. Its structure, operating principle and practical effects on the engine and vehicle performances are also presented.

提出一种可变配气相位机构，并介绍它的结构、工作原理以及为发动机和整车带来的实际效果。

7·This paper gives a brief introduction on the technology of variable valve timing (VVT) and variable-lift, and brings forward a new CAM structure which is simple and practical.

本文简要介绍了可变气门正时(VVT)及可变升程技术，提出了一种简单而实用的新型凸轮结构。

8·There will be two four-cylinder engine choices on offer: one is a 1.5-liter unit with variable valve timing and either a four-speed automatic or a five-speed manual transmission.

该车可提供两种引擎以供选择，一种是1.5升可变气门正时引擎配备四速自动或五速手动变速器。

9·Electromagnetic control valve actuation is a new kind of variable valve timing technology. It can offer more advantages than general camshaft valve actuation when used in the engine.

电磁控制进排气门是一种新型的可变配气相位技术，在发动机上以电磁驱动气门比传统的凸轮驱动方式具有更大的优越性。

10·It introduces some advanced technologies which increase the charging efficiency, such as the variable length of the intake duct, the variable valve stroke, the variable valve timing and so on.

介绍了可变进气道长度、可变气门升程及可变气门定时等提高充气效率的先进技术。