rotating-beam ceilometer

rotating-beam ceilometer
旋转光束云幕计

Atmospheric Sciences (English-Chinese) dictionary. 2014.

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  • ceilometer — /see lom i teuhr, si /, n. an automatic device for measuring and recording the height of clouds by projecting a modulated beam of light onto a cloud base, receiving the reflection of light through a photoelectric apparatus, and computing the… …   Universalium

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