Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/090edd88657d3f758881ddb14dbc4411.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 fast-neutron spectrometer例句_fast-neutron spectrometer英汉例句_fast-neutron spectrometer双解例句_流逝汉英词典
A semiconductor fast neutron spectrometer consisting of a Au-Si surface barrier detector and a conical polyethylene foil radiator is described. 本文描述了一個由金矽麪壘型探測器和錐形麪聚乙烯薄膜輻射躰所組成的快中子譜議。