基本解释[物理學]特征ｘ輻射英汉例句雙語例句The law of characteristic X-rays emitted by target element under the radiation of isotope source in a range of low energy is discussed.介紹了在低能範圍內利用放射性同位素源發出的初級射線，照射和激發靶片元素産生的特征X射線的槼律性；characteristic x-radiation更多例句专业释义物理學特征ｘ輻射