No Americans were killed in the operation and they were careful to avoid civilian casualties.
美军在行动中无人伤亡,并努力避免了平民的伤亡。
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论文结合低成本MARG传感器的特点,重点研究了无人直升机姿态融合算法的设计。
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For three months the seamen sighted no land except a few desolate , uninhabited islands.
三个月以来,水手们除了看到几个荒无人烟的岛屿之外,见不到任何陆地.
英汉非文学 - 文明史
Caderousse remained for a moment aghast under the weight of such an idea.
卡德鲁斯在这个念头的重压之下,一时弄得面无人色.
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We're just finishing up the audit now.'George turned cold with fear.
我们现在就要检查完这笔帐目了.'乔治胆颤心惊,刹时面无人色.
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We're just finishing up the audit now. George turned cold with fear.
我们现在就要检查完这笔帐目了. 乔治胆颤心惊,刹时面无人色.
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The unmanned platform has great advantages in the engineering investment decrease.
建造无人平台在降低开发工程投资方面占有很大的优势.
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