Fine adjustment is especially important in this case as the ball size is relatively large in comparison to the ball pitch.

当球大小对球程度在比较中是相对地大的时候，罚款调整在这情况尤其重要。

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Pulleys are on the market that permit an adjustment in the width of the groove. The effective pitch diameter of the pulley is thus varied, and moderate changes in the speed ratio can be secured.

带轮运行一定时间后，槽的宽度可以调节，这样带轮的节距是变化的，因此需要进行适当的调整以满足速度比的要求。

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The paper analyzed the correlation of pitch angle and roll angle, which were measured by magnetic head flying angle adjustment apparatus, and introduced a method of angle adjusting.

分析了磁头飞行角度调校仪器不同工位测量磁头俯仰角和翻转角之间的相关性，并简单介绍了角度调校方法。

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Substantially more complex than previous aircraft, the new plane required the pilot to attend to the four engines, a retractable landing gear, new wing flaps, electric trim tabs that needed adjustment to maintain control at different airspeeds, and constant-speed propellers whose pitch had to be regulated with hydraulic controls, among other features.

NEWYORKER: The Checklist