The curvature of the earth limits a microwave's line-of-sight path to about 30 miles.
地球表面的弯曲度把微波的直线轨迹限制到30英里左右.
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Iceland's volcano erupted Wednesday and has since been spewing ash several miles into the air.
周三喷发的冰岛火山已经向空中喷入几十英里的火山灰.
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The space capsule landed in the Atlantic over a hundred miles away from the target area.
该太空舱降落到大西洋,距目标区100多英里.
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The depth at prototype's location , 10 kilometres ( six miles ) south west of Karmoy, is 220 metres.
原址的深度是220米,位于Karmoy西南10千米 ( 6里 ).
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They now own and operate a farm 50 miles south of Rochester...
他们现在拥有并经营着一家位于罗切斯特以南 50 英里处的农场。
《柯林斯高阶英汉双解学习词典》
The oily sheen now covers some 2,500 square miles ( 6 , 500 sq km ).
油光闪闪的水面已达2500平方英里 ( 6500平方公里 ).
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