释义 |
mesothorium II 基本例句 新钍II Either of two decay products of thorium,mesothorium I,an isotope of radium,ormesothorium II,an isotope of actinium.新钍钍的两种放射性生成物之一,即新钍1号,它是镭的同位素,或新钍2号,它是锕的同位素 Either of two decay products of thorium, mesothorium I, an isotope of radium, ormesothorium II, an isotope of actinium.新钍钍的两种放射性生成物之一,即新钍1号,它是镭的同位素,或新钍2号,它是锕的同位素 either of two decay products of thorium,mesothorium I,an isotope of radium,ormesothorium II,an isotope of actinium钍的两种放射性生成物之一,即新钍1号,它是镭的同位素,或新钍2号,它是锕的同位素 |