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- quaternary fission 四帧(核)裂变, 四分(核)分裂
- The discovery of the nuclear fission is a new departure in physics. 核分子分裂的发现是物理学上的一个新起点。
- The Quaternary sediments are largely undeformed. 第四纪的沉积物大部分未变形。
- Cationics are usually quaternary ammomium salts. 阳离子表面活性剂通常为季铵盐类。
- When atoms split, the process is called "fission". 原子分裂时，其过程被称为“裂变”。
- Fission bombs use highly enriched fuel. 裂变原子弹使用高度浓缩燃料。
- Viruses do not undergo binary fission. 病毒并不进行二分裂。
- The fission products formed are highly radioactive. 所生成的裂变产物具有很强的放射性。
- The life develops as the fission of the cells. 随着细胞的分裂, 生命开始发育。
- Design of quaternary Schmitt circuits. 四值施密特电路设计。
- Reproducing by biological fission. 裂殖的由生物分裂而生殖的
- IS THERE REALLY QUATERNARY GLACIATION ON LUSHAN? 庐山真的有第四纪冰川吗?
- To cause to undergo nuclear fission or fusion. 使裂变或聚变使遭受核裂变或聚变
- Atomic fission furnishes enormous energy. 原子分裂可提供大量的能源。
- When atoms split,the process is called "fission". 当原子分裂时，其过程称为“裂变。”
- To undergo nuclear fission or fusion. 受核裂变或聚变
- The part of a nuclear reactor where fission occurs. 活性区，堆心核反应堆中发生裂变的地方
- Energy is released by the fission of atomic nuclei. 能量是由原子核分裂释放出来的。
- Combustion can be likened to nuclear fission. 自我焚化就类似于核裂变。
- The cover rocks are marine mudstone from Pliocene to Quaternary. 储层发育有砂岩、灰岩（礁灰岩）、基岩等。
