radioactive disintegration 基本例句 放射性蜕变,天然蜕变现象 The radioactive wastes release a lot of energy due toradioactive disintegration.由于放射性蜕变,放射性废料释放出大量的能量。 Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.粒子是从天然放射性蜕变得到的带正电的氦核。