|
41. | nucleophilic substitution |
| 亲核取代 |
|
|
| |
42. | The act of displacing. |
| 移开,取代,免职 |
|
|
| |
43. | be superseded by |
| 为¥取代 |
|
|
| |
44. | aromatic substitutio |
| 芳族取代 |
|
|
| |
45. | partially substituted cellulose acetate fibre |
| 低取代醋酸纤维 |
|
|
| |
46. | para-orienting group |
| 对位取代基 |
|
|
| |
47. | trisubstitution product |
| 三取代产物 |
|
|
| |
48. | allylic substitution |
| 烯丙取代 |
|
|
| |
49. | angular substituents |
| 角取代基 |
|
|
| |
50. | olefin(e)-substituted aromatic |
| 烯烃取代芳香烃 |
|
|
| |