A rotating disc electrode system was designed to recover Cd and the current efficiency was over 90%.

设计出新型旋转圆盘电极体系回收金属镉，电流效率达到90%以上。

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In this paper, a new method on experimental strain stress conversion of elastoplastic rotating disc is described.

介绍了一种弹塑性状态轮盘的实验应力换算新方法。

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It has a jumping hour display powered by a Unitas 6497 movement. It has a rotating disc which is at the base of a minute hand.

在Unitas 6497的运转下，这跨表还具备了跳时功能，并且在分针底端还备有一个旋转地圆盘。

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The minute hand remains but hours are displayed on a main rotating disc.

WSJ: The Face of Watchmaking's Future at SIHH and GTE

Stars are the result of the gravitational collapse of huge clouds of gas and dust, whereas planets are thought to evolve by the accretion of the material left over from such collapses, which forms a rotating disc around the newly created star.

ECONOMIST: Twinkle, twinkle, giant planet