观测的累积失效机率
observed cumulative failure probability
观测的平均失效率
observed mean failure rate
等效观测噪声
equivalent measurement noise
地震地电阻率观测
earthresistivity observation
电阻率观测
resistivity observation
Apparent resistivity observation
基本综观观测
principal synoptic observation
间综观观测
intermediate synoptic observation
水样电导率观测
water samples conductivity observation
有效观测频带
effective observation frequency band
γ射线全吸收峰探测效率
Total absorption detection efficiency for gamma-ray