Warning: file_put_contents(/www/wwwroot/ppbbu/52065.com/cache/1342c7dd1928a3d78a72f330167ebc40.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/52065.com/index.php on line 55 characteristic x-radiation例句_characteristic x-radiation英汉例句_characteristic x-radiation双解例句_伍贰汉英词典
The law of characteristic X-rays emitted by target element under the radiation of isotope source in a range of low energy is discussed. 介绍了在低能范围内利用放射性同位素源发出的初级射线，照射和激发靶片元素产生的特征X射线的规律性；