Although smooth, there is a characteristic "break line" of tangency denoting where the circle meets the line.

虽然平滑，但它存在着一个特点，就是圆弧和直线相接的地方会有一个曲率变化上的断裂。

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The result shows that the method can solve the break line and interact line problems of old type machine.

结果表明，该方法能很好解决老型人工织机经常断线和搅线的问题。

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From two accidents of lead break line it analyses its out objective factor and critical inner factor, give summrized preventive measure.

从两起导线断线事故着手，分析了断线的客观外部因素及隐含的内在因素，并提出了综合的防范措施。

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General Grant had been trying to break General Lee's line for almost a year.

VOA: special.2009.12.17

You know, one famous tactic is--if you have an infantry force coming forward, you send tanks in it to break up the line of the infantry, so that you can defeat the infantry in that way.

最有名的战术是,如果有敌方步兵逼近,你把坦克派过去,破坏他们的步兵阵型,以这种策略对付步兵

耶鲁公开课 - 古希腊历史简介课程节选

He was sure the line was weak. He was sure he could break it.

VOA: special.2009.12.17

Thompson argued that there is money to be made in the stock ahead of the early 2013 launch of a make-or-break line of BlackBerry devices.

FORBES: Is The RIM Renaissance Here With BlackBerry 10?

On the second of a pair of match points in the tie-break the line judge called Federer's drive in, a decision which would have given him a straight sets win.

BBC: SPORT | Tennis | Nadal loses to Youzhny in Dubai

Having failed to break the line in the opening 19-12 defeat to New Zealand - no great disgrace really - Warren Gatland's side could then summon only one against Samoa as they held off the South Sea Islanders 17-13.

BBC: Wales leave Pumas chasing tails