spontaneous fission process的用法和樣例：
例句
- In fission processes, the fission fragments are very radioactive.
在裂變過(guò)程中，裂變碎片的放射性很強。 - The occurrence of odd-parity shape oscillations in the saddle-point spectrum plays an important role in the interpretation of asymmetry andanisotropy in the fission process.
在裂變過(guò)程中，解釋非對稱(chēng)性和非各向同性時(shí)，奇宇稱(chēng)形狀振蕩在鞍點(diǎn)譜中起主要作用。
