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).

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.

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液压控制系统是CVT的执行机构，实现发动机扭矩的传递和变速功能。

Hydraulic control system is the actuating mechanism of CVT, which carries out the functions of transmitting engine's torque and changing the gear radio.

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与传统控制方法相比，基于扭矩观测器的闭环控制系统能够明显降低换档过程中变速箱输出轴扭矩。

In contrast to traditional control method, the closed loop control system based on torque observer can obviously reduce the transmission output shaft torque during gear shift.

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