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关注：1
2013-05-23 12:21
求翻译：超声波具有指向性强，能量消耗慢，在介质中传播距离远的特点是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
超声波具有指向性强，能量消耗慢，在介质中传播距离远的特点
问题补充： |
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2013-05-23 12:21:38
Ultrasound has the strong point of slower energy consumption in the medium distance features
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2013-05-23 12:23:18
Ultrasound has a strong, slow, and energy consumption in the media, the distance from the characteristic
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2013-05-23 12:24:58
The ultrasonic wave has directive property, the energy consumption is slow, in medium propagation distance far characteristic
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2013-05-23 12:26:38
Ultrasound has a strong point to energy consumption slow, in the medium of propagation distance in features
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2013-05-23 12:28:18
正在翻译，请等待...
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