The experimental-shielding method is used to proof-test the fraction of scattered background neutrons, and for high-threshold detectors, the influence of background neutrons is very small.
用屏蔽法检验了散射本底中子影响，高阈能探测器本底中子的影响很小。
The experimental-shielding method is used to proof-test the fraction of scattered background neutrons, and for high-threshold detectors, the influence of background neutrons is very small.
用屏蔽法检验了散射本底中子影响，高阈能探测器本底中子的影响很小。
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