| 字词 | 退化 |
| 释义 | •¶ 鸡的翅膀逐渐退化， 不会在空中飞行了。 The wings of the chicken have become vestigial; it can no longer fly. •¶ 土豆种了几年之后就会退化。 After a few years' planting, the quality of the potato crop deteriorates. 退化本征值degenerate eigenvalue退化变量degenerate variable退化变态degenerate metamorphosis退化变质岩diaphthorite退化变质作用 〖地〗diaphthoresis; retrograde metamorphism退化草地deteriorated grassland退化雌蕊 〖植〗pistillode退化次数degree of degeneracy; 〖数〗 order of degeneracy退化度degeneracy退化二次曲面degenerate quadric; degenerate surface of the second order; improper quadric退化二次曲线degenerate conic退化二次型degenerate quadratic forms退化根reduced root退化故障degradation failure退化函数degenerate function退化矩阵 〖数〗singular matrix; degenerate matrix退化类型degenerated form退化判别式criterion of degeneracy退化培养系abkultur退化器官vestige退化曲线degenerated curve退化失效degradation failure; deterioration failure; gradual failure退化算子degeneracy operator; degenerate operator退化土degraded soil退化土壤degenerated soil; degraded soil退化位形 〖等离子〗degenerate configuration退化系degenerate system退化系数degeneration factor退化型 〖微〗involution form退化性状degenerative character退化雄蕊staminodium; apandrous; staminode退化伊利石degraded illite; 〖矿〗 stripped illite退化因数degeneration factor退化振荡模degenerate mode退化肢pedamina退化中柱hystelostele退化种regression species退化状态degenerate state退化作用regression |
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