谷歌及其竞争对手的主攻方向是翻译使用较广的语言，学术界则在研究如何用机器翻译晦涩难懂的语言。

Google and its rivals focus on widely spoken tongues, but academics are working on machine-translation services for more obscure languages.

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本文基于钻井工程技术的最新成就，讨论固井研究的主攻方向，论证固井中必须重视保护产能问题。

In this review article the most important task in the researches on cementing is discussed in the light of the newest achievements in oil well drilling.

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瓦斯治理是煤矿安全研究的主攻方向，是学术界和工业界的研究热点之一。

Gas Control Coal Mine Safety Research is the main direction of attack, the academia and industry on one of the hot spots.

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