Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/840cbd9bca03eb84fbf777aea9c083c3.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 fast-neutron spectrometer例句_fast-neutron spectrometer英汉例句_fast-neutron spectrometer双解例句_按摩法牛津词典
A semiconductor fast neutron spectrometer consisting of a Au-Si surface barrier detector and a conical polyethylene foil radiator is described. 本文描述了一个由金硅面垒型探测器和锥形面聚乙烯薄膜辐射体所组成的快中子谱议。