概念信息
优选术语
创建: 2020-08-31T13:11:17
定义
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A laser altimeter emits laser pulses, which are reflected from the ground surface; part of the reflected radiation returns and is detected by the instrument; then, the distance from the ground surface can be calculated considering the speed of light.
(en)
创建: 8/31/20
上位概念
- Altímetros (es)
其他语言
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阿拉伯语
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德语
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俄语
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法语
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捷克语
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土耳其语
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意大利语
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英语
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中文
URI
http://aims.fao.org/aos/agrovoc/c_2017ebe9
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