For investigating Xichang pigs trichina infection condition, we examined the muscle and serum from 4 specifying slaughter house in Xichang.

为摸清西昌市生猪旋毛虫感染的强度和分布情况，我们对从我市4个定点屠宰场采集的生猪血清和膈肌进行检验。

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But step inside their house after 4 p.m. most weekdays and you'll want to cover your ears because of the noise -- the screaming, to be exact.

但是如果你在平日的下午4点走进这个家，你会把耳朵捂住---那噪音，准确点儿说是刺耳的尖叫，真让人受不了。

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But at the western end, near the manor house, it produces only 4 or 5 tonnes a hectare; other, spindlier, plants yield just 1 or 2 tonnes.

但在田地西端，靠近庄园的地方，它只能每公顷出产4至5吨，而其他部分的田地，作物产量只有1或2吨。

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They lived on a small piece of land and a house with 4 rooms.

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Nancy Pelosi made history on January 4,2007 when she was sworn in as the first female speaker of the U.S.House of Representatives in its 218-year history.

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The main house has 4 bedrooms and 4 bathrooms, all with views that stretch to the Pacific Ocean.

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We returned to Alexandra House at 4.30pm in time for yet another meeting.

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Sitting on over 30, 000 square feet of land, the 8, 800 square foot house has 4 bedrooms and 7 bathrooms.

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