nuclear energy
EN: Nuclear energy is energy stored in atomic nuclei. - It can be released by fission, fusion, or radioactive decay. - Nuclear energy has a very high energy density compared with chemical energy.
中文：核能是储存在原子核中的能量。 - 可通过核裂变、核聚变或放射性衰变释放。 - 相比化学能，核能的能量密度非常高。