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radon monitor
释义
radon monitor
Encyclopedia
工学
天然放射性勘查仪器
释
radon monitor
测氡仪
利用天然放射性氡气的衰变特性,测量氡及其子体α、γ辐射,数据处理后显示空气、土壤或水中氡气浓度的仪器。
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estimator of the spectral function
estimator of variance
estimator with uniformity property
estimator最大偏似然估计量
Estonia
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