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1·On a 2-stroke engine, the upward stroke is the compression stroke.

在2冲程发动机，向上中风是压缩行程。

2·A diagrammatic method is employed to compute shock absorber force at compression stroke.

提出了计算压缩行程减振器阻力的图解法。

3·These four strokes are intake stroke, compression stroke, power stroke and exhaust stroke.

这四招进气行程，紧缩行程，动力冲程和排气冲程。

4·Power stroke. As the piston reaches TDC on the compression stroke, an electric spark is produced at the spark plug.

做功行程：当活塞到达压缩行程的上止点时，火花塞产生电火花。

5·The piston travels down on the intake stroke, up on the compression stroke, down on the power stroke and up on the exhaust stroke.

进气行程，活塞下行；压缩行程，活塞上行；做功行程，活塞下行；排气行程，活塞上行。

6·On the compression stroke, the piston moves up. The intake valve and exhaust valve close. The piston compresses the air-fuel mixture.

在压缩行程，活塞向上运动，进气门和排气门关闭，活塞压缩混合气。

7·The result shows that tangent turbulence intensity is nearly the same from the outer to the center of the cylinder in the compression stroke.

结果表明在压缩过程中，从缸心到缸壁，切向湍流强度值大体相同。

8·When the compression stroke is finished, the longitudinal pressure relief grooves are communicated with the air exhaust hole to release the high pressure.

当压缩行程完成时纵向泄压凹槽与排气孔相通，实现高压被释放的目的。

9·This paper presents a finite-volume method for flow characteristics simulation in a combustion chamber with a flat-topped piston during the compression stroke.

本文提出压缩冲程期间计算平顶活塞燃烧室流动特性摸拟的有限容积法。

10·By adjusting the linkage to allow a power stroke that is longer than the compression stroke, the engine can achieve greater efficiency than with the Otto cycle engine.

通过调整挂钩，使权力中风，比压缩冲程长，发动机可以达到，但与奥托循环发动机的效率。