To ensure double letters are detected, try doing a little loop on the 'o' key.

为了确定双字母的情况，请在'o'键上画一个小圈。

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The text analyses some key problems of accurately machining of O circle mould cavity, including its technology, measurement, and machining error, and then puts forward a CAD example for it.

对O形圈模具型腔精确加工中的工艺、测量及加工偏差等几个关键问题进行了分析，并针对实例进行了计算机辅助设计。

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There is only so much Comac can do to compete on price, Mr. O 'leary said, because key components such as avionics and engines are Western-designed.

奥莱利说，中国商飞公司在价格战方面也只能做这么多，因为航空电子设备和飞机引擎等关键零部件都由西方设计。

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His lower-key successor lacks O'Reilly's flair.

FORBES: Magazine Article

With Spain's top club's all losing key players - Eto'o is expected to play for Cameroon against Rwanda - while La Liga is still in the balance.

BBC: SPORT | Football | African | Diarra puts Mali above Madrid

Given that this was Villa's 44th game of the season - three more than they played in the whole of last term - O'Neill decision to rest his key men was understandable and the hosts responded with a bright start.

BBC: Aston Villa 2-2 Stoke