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A number of recommendations published for prevention of nosocomial pneumonia are empiric rather than based on controlled observations.
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一些已发表的防止医院内感染的肺炎的建议是以经验为依据而不是依据有对照的观察。 |
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A number of releant outcomes including pregnancy and lie birth ( LB ) rates were inestigated.
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包括怀孕率和婴儿安全出生率在内的多项相关结果被研究。 |
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A number of scientists look at current research trends and feel hopeful.
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许多科学家看到现阶段的研究趋势而怀抱希望。 |
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A number of seconds after, they observed the beginning of the landslide, they saw the first ash cloud come out and the big explosions begin.
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数秒钟后,他们发现山体开始滑坡,第一股浓烟溢出,然后爆炸随之而来。 |
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A number of simulation runs show that in a variety of initial reentry conditions the vehicle can achieve the TAEM interface with this approach.
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仿真结果表明,对于不同的初始再入条件,制导方案都可以将飞行器导引到能量管理段界面。 |
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A number of small cotton mills soon followed, but most of them failed by the turn of the century because their promoters did not aim to a wide market.
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一些小型棉纺厂很快便如法炮制,但大多数在十九世纪末二十世纪初都以失败告终,这是因为其创办者没有着眼于大市场。 |
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A number of small streams converge into a vast ocean.
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涓涓之流,汇成大海. |
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A number of smuggler-specific customizations have been made as well, though only Davik knew where or how to access them all.
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也有些修改是专门为迎合走私而存在的,虽然只有大卫知道如何使用全部这些。 |
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A number of soldiers were detached to guard the building.
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许多士兵被派去保护这座建筑物。 |
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A number of solutions have been tried in order to reduce the rate of desertification and regain lost land.
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人们已经尝试了很多方法来降低土地沙漠化的程度和恢复已失去的土地。 |
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A number of students are going.
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一些学生要去。 |