Nuclear disintegration or transformation caused by absorption of high-energy radiation, as of gamma rays.
光致分裂由吸收高能量辐射、如射线而引起的核分裂或核转换
disintegration or decomposition into parts or elements.
分解(作用)分解或分裂为部分或要素
Decomposition into fragments or parts; disintegration.
分裂, 分解碎片或几部分; 分解