保健物理对数计数率计
health physics log ratemeter
保健物理用对数计数率计
health physics log ratemeter
差分线性计数率计
difference linear ratemeter
长短源距计数率比值法
a method of long-short space detector counting rat
长间距计数率计
long spaced count rate meter
长源距上部窗口计数率
long upper window count rate
长源距下部窗口计数率
long lower window count rate
单频路计数率
single-channel (counting) rate
单丝计数率
single wire counting rate
电子频率计数器
electronic frequency counter
对数计数率读出
logarithmic counting-rate readout