The tracer CAM of piston ring is designed according to the principle and method proposed in this paper and the computer simulation result of this compensation effect is given.

按照上述原理设计了活塞环仿形靠模，并对其补偿效果作了数字仿真。

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Under normal circumstances, after a spring in the long run will be shortened in length, compensation spring moving mechanical seal ring because centrifugal force will cause deformation.

一般情况下弹簧在长时间运行后长度会缩短，补偿弹簧在动环上的机械密封还会因为离心力的原因而变形。

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A simple angular method of laser antenna is presented to meet the needs of the ship laser multi-ring detection and multi-ring compensation techniques of automatic following targets.

为了满足船舶激光多环检测和自动跟踪目标多环补偿技术匹配天线的需要，用简便的角量法设计了激光天线。

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On the other hand, the dedicated aperture ring and exposure compensation dial were incredibly useful, and, with the proper accessories, I could make very good use of the full-size hot shoe on top.

ENGADGET: IRL: Sony's Cyber-shot DSC-RX100 and the full-frame RX1

We really appreciated all the manual controls on the RX1 -- from the aperture ring to the exposure compensation and shutter adjustment dials -- as they allowed for speedy adjustments on the fly and kept menu fatigue to a minimum.

ENGADGET: Sony Cyber-shot RX1 sample images and video Hands-on

Because settings such as the aperture value or exposure compensation can be quickly adjusted with a twist of the control ring, users can capture photos exactly the way they want without missing a shot.

ENGADGET: Olympus unveils Stylus XZ-10 with f/1.8-2.7 zoom, smartphone sharing app