退化

退化 [tuì huà]

1. ■ become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression; retroversion; regression; involution; degeneration; degenerescence; degeneracy; cataplasia; catagenesis; atresia:

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.

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常用词组

1. ■ 退化本征值 degenerate eigenvalue;

2. ■ 退化变量 degenerate variable;

3. ■ 退化变态 degenerate metamorphosis;

4. ■ 退化变质岩 diaphthorite;

5. ■ 退化变质作用 {地} diaphthoresis; retrograde metamorphism;

6. ■ 退化草地 deteriorated grassland;

7. ■ 退化雌蕊 {植} pistillode;

8. ■ 退化次数 degree of degeneracy; {数} order of degeneracy;

9. ■ 退化度 degeneracy;

10. ■ 退化二次曲面 degenerate quadric; degenerate surface of the second order; improper quadric;

11. ■ 退化二次曲线 degenerate conic;

12. ■ 退化二次型 degenerate quadratic forms;

13. ■ 退化根 reduced root;

14. ■ 退化故障 degradation failure;

15. ■ 退化函数 degenerate function;

16. ■ 退化矩阵 {数} singular matrix; degenerate matrix;

17. ■ 退化类型 degenerated form;

18. ■ 退化判别式 criterion of degeneracy;

19. ■ 退化培养系 abkultur;

20. ■ 退化器官 vestige;

21. ■ 退化曲线 degenerated curve;

22. ■ 退化失效 degradation failure; deterioration failure; gradual failure;

23. ■ 退化算子 degeneracy operator; degenerate operator;

24. ■ 退化土 degraded soil;

25. ■ 退化土壤 degenerated soil; degraded soil;

26. ■ 退化位形 {等离子} degenerate configuration;

27. ■ 退化系 degenerate system;

28. ■ 退化系数 degeneration factor;

29. ■ 退化型 {微} involution form;

30. ■ 退化性状 degenerative character;

31. ■ 退化雄蕊 staminodium; apandrous; staminode;

32. ■ 退化伊利石 degraded illite; {矿} stripped illite;

33. ■ 退化因数 degeneration factor;

34. ■ 退化振荡模 degenerate mode;

35. ■ 退化肢 pedamina;

36. ■ 退化中柱 hystelostele;

37. ■ 退化种 regression species;

38. ■ 退化状态 degenerate state;

39. ■ 退化作用 regression