The study presented here is the first step in a program aimed at reducing significantly the background count rate of NaI scintillation units.
这里程序第一步的学习是为了显著的减少非地址指令传送单元的暗中统计率。
"Watch an evening's worth of TV and count how many times you hear music in the background," says Jeremy Lascelles, chief executive of Chrysalis.
“你可以看上一晚上电视，数数自己一共听到了多少首背景音乐。” “蝶蛹”的总裁杰里米·拉斯赛尔说。
Then besides counting up, it should count up the loading values of cardinal wind as the background data for atmospheric forcast.
除了统计浓度值的算术平均值外，还应统计出主要风向下的浓度值，为大气预测提供本底数据。
The RBC's in the background appear normal. The important finding here is the presence of many PMN's. An elevated WBC count with mainly neutrophils suggests inflammation or infection.
背景上的RBC是正常的，但有大量嗜中性粒细胞存在，主要因嗜中性粒细胞的增多而使WBC（白细胞）计数增高，提示有炎症或感染的存在。
A method is given to count the minimum temperature difference between target and background under given conditions on the perspective of countermeasure Forward Looking Infrared system (FLIR).
从对抗前视红外系统的角度，给出了满足特定要求时系统感知目标所需的最小温差的一种计算方法，并对计算方法作了具体推导。
A method is given to count the minimum temperature difference between target and background under given conditions on the perspective of countermeasure Forward Looking Infrared system (FLIR).
从对抗前视红外系统的角度，给出了满足特定要求时系统感知目标所需的最小温差的一种计算方法，并对计算方法作了具体推导。
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