环境伽马辐射水平可以受地质和降雨、气压及气流等自然及天气因素所影响而波动。
The ambient gamma radiation levels may vary due to natural causes, which include geological and meteorological conditions such as rainfall, pressure and wind.
辐射监测at1125 A已闪烁碘化钠(铊)，以及通用汽车公司管，这大大扩展了环境伽马辐射剂量当量率测量范围。
The radiation monitor AT1125A has scintillation NaI (tl) as well as a G-M tube, which extends greatly ambient gamma radiation dose equivalent rate measuring range.
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