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
部件事件数据库
Acquired absence of both upper limbs [any level
声发射事件计数
count of acoustic emission event
差分线性计数率计
difference linear ratemeter
长间距计数率计
long spaced count rate meter
对数计数率读出
logarithmic counting-rate readout