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【英文缩写】 PIR
【英文全称】 Precision Infrared Radiometer
【中文解释】 精密红外放射计
【缩写简介】 The Precision Infrared Radiometer,Pyrgeometer,is intended for unidirectional operation in the measurement,separately,of incoming or outgoing terrestrial radiation as distinct from net long-wave flux.
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