This paper presents a method for machining large gear, i. e. rough turn is separated from finish work, resulting in a fully stress release.

介绍了一种加工大齿轮的方法，即粗、精加工分开，充分释放应力。

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They turn to household staples like lemons, baking soda or yogurt when it's time to clear skin of acne, soften rough patches or keep teeth sparkling.

他们会在清理粉刺、软化粗糙的皮肤或让牙齿闪闪发光的时候，选择柠檬、小苏打或酸奶等日常用品。

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We can turn a rough stone into a diamond.

我们可以把一块粗糙的石头变成钻石。

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But times are tough in America right now and when things get rough, people inevitably turn on their leaders.

CNN: Why should the press be polite to presidents?

The Los Angeles Angels are beginning to turn around their rough start to 2013, thanks in part to Josh Hamilton and Mike Trout .

FORBES: Rochester MN

Neither batsman can find the middle of the bat, while Kaneria has gone round the wicket and is looking for some explosive turn out of the rough.

BBC: SPORT | Cricket | England | Lord's Test: Day 1 as it happened