习惯用语be far gone in decay1.衰弱过甚, 凋落不堪go to decay (=fall into decay)1.腐朽, 凋谢, 衰微; 年久失修特殊用法advanced decay1.进级腐朽alpha decay1.α-衰变、蜕变anaerobic decay1.厌氧腐烂arrested decay1.【地质】抑制分解阶段bimolecular decay1.双分子衰减biological decay1.生物衰变; 生物腐败branching decay1.分支衰变brightness decay1.亮度衰减chain decay1.链衰变classical beta decay1.经典β衰变competitive decay1.竞争衰变complex decay1.复衰变contrast decay1.对比度降低, 反差衰减, 反衬度降低double-beta decay1.双β衰变dual radioactive decay1.【核】多重放射性衰变electron-capture decay1.电子俘获衰变electron emission decay1.电子发射衰变environmental decay1.环境衰退exponential decay1.指数式衰减hindered alpha decay1.受阻α衰变inverse beta decay1.【核】逆β蜕变leptonic decay1.(粒子)轻子型衰变low decay1.低惰性, 短余辉mesonic decay1.介子衰变modulus decay1.衰减系数natural radioactive decay1.放射性自然衰变negative exponential decay1.负指数式衰减non-mesonic decay1.非介子衰变orbital decay1.【航空】轨道衰减;【原物】轨道衰变organic decay1.有机衰减, 自然衰减phosphorescent decay1.磷光余辉photo-conductivity decay1.光[电]导衰减plasma decay1.等离子体衰变positron decay1.阳电子衰变power-law decay1.幂函数式衰减radial decay1.径向衰变radiative decay1.辐射衰变rock decay1.岩石风化scintillation decay1.闪烁现象衰减semi-leptonic decay1.半轻子衰变series decay1.【核】系列衰变spontaneous decay1.自发衰减stress decay1.应力衰减; 应力松弛two-component decay1.二分量衰变welddecay1.【冶】焊接区晶间腐蚀decayof amplitude1.振幅的衰减decayof luminescence1.发光衰变decayof turbulence1.湍流衰减