计数比值法 count ratio
正比计数器 [核] proportional counter ; PC
右肺上下核素计数比 RULR
计数比值指数 APRI
赔率估计数比例 odds ratio estimates
真实-随机计数比 ratio real-to-random
正比计数管 [核] proportional counter tube ; proportional coumter ; proportional counter
真实随机计数比 real-to-random ratio
比例计数器 [自] proportional counter
三氟化硼正比计数管 boron trifluoride proportional counter
球腔内超热与热中子计数比小于10%，计数率依赖于热中子探测器所在位置。
Inside the sphere cavity, the ratio of ultra thermal neutron counting rate to thermal one is less than 10%, but the counting rates slightly depend on the position of thermal neutron detector.
包括支持货币、科学计数法和百分比。
This includes support for currency, scientific notation, and percentages.
辍学的估计数字有别，但是看来男孩比女孩辍学数要多四分之一。
Estimates of dropouts vary, but it seems that about one-quarter more boys drop out than girls.
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