Mars is a focal point in the quest to learn if life exists beyond Earth.

火星是研究地球以外是否存在生命的一个焦点。

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Chairs are lined up in rows, facing the speaker or focal point in the room.

椅子成行排列，面对发言人或会议室中心。

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Wind energy conversion systems have become a focal point in the research of renewable energy sources.

风能转化系统已经成为可再生能源研究的焦点。

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The one thing all of these pieces had in common was that colored gemstones and cultured pearls were the focal point in the work.

FORBES: Award Winning Jewelry Designs

Medicare became a focal point in the presidential campaign this week after presumptive GOP presidential nominee Mitt Romney tapped the Wisconsin congressman to be his running mate.

WSJ: Paul Ryan Makes Case for Medicare Overhaul

Although the government has a big enough majority to see off any no-confidence motion, analysts say the televised debate has become a focal point in the battle for public opinion.

BBC: UN calls for Thai clashes inquiry