In this article mechanism of UHP lamp arc instability is analyzed primarily and discussed of system solutions for anti-flicker.

本文就UHP灯的电弧不稳定机理进行了初步分析，并讨论了解决闪烁的方法。

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Because of this instability, it's very difficult to store elements as Stark does in his arc reactor: They need to be moving at nearly the speed of light.

由于这种不稳定性，人类很难做到像斯塔克那样将新元素储存在他的方舟反应堆中，再说电影中它们还需以接近光速被移动。

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they formed an arc of instability from Belarus in the north-east, round the Caucasus and along North Africa to Morocco.

它们形成一个不稳定的拱形，从东北部的白俄罗斯，绕过高加索山脉，顺着北非一直延伸到摩洛哥。

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The danger, it is now assumed, lies in what Pentagon officials call an "arc of instability" that runs through the Caribbean Rim, Africa, the Caucasus, Central Asia, the Middle East, South Asia and North Korea.

CENTERFORSECURITYPOLICY: Rebasing -- and Reequipping -- for Transformation