natural gamma energy spectrum 基本例句 自然伽马能谱 In this paper, a new-style Gama Ray Spectrometry is developed, that is mainly used in natural Gama Ray Spectrometry Logging Instrument and Lithology Density Logging Instrument.本文设计了一种新型的伽马能谱仪，主要应用于自然伽马能谱测井和岩性密度测井。