The 4-cylinder is a 16-valve DOHC design with Toyota’s VVT-i variable cam timing system, and is rated at 179 horsepower at 6000 rpm and 172 lb-ft of torque at 4000 rpm.

4缸机为16气门DOHC（双凸轮抽）设计，配备丰田VVT-i（智能正时可变气门控制系统），最大功率179hp/6000rpm(131kw/6000rpm),最大扭矩172lb-ft/4000rpm(233Nm/4000rpm).

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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。

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Around the real time expert systems time order, time variable and timing, the kernel technology to design and build this system is discussed in the paper.

本文围绕实时专家系统的时序性、时变性、时效性等特征，从系统设计与实现两个方面讨论建造该专家系统的一些关键技术。

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To adjust for this variable timing, we compared January 2013 retail sales to January 2010.

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Other bullet points for the 2014 Vanquish include an additional 55 horsepower (565 hp at 6, 750 rpm) and 37 pound-feet more torque (457 pound-feet at 5, 500 rpm) over the DBS. Aston's all-alloy 5.9-liter, mid-front-mounted V12 gets a sprucing up with variable timing on both intake and exhaust sides, as well as freer-breathing intake geometry.

WSJ: 2014 Aston Martin Vanquish Review: No, Mr. Bond, I Expect You to

Many cars, including the Mazda CX-5 and Volkswagen Golf, use variable valve timing to maximize fuel efficiency and performance.

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