direct substitution meaning in English
直接取代作用
直接替代
Examples
- Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts .
大多数连于芳核能被直接取代的基团仅限于重氮盐。 - Railways serve a different purpose to roads , and cannot be seen as a direct substitution
铁路与道路的功用不尽相同，所以铁路不能直接替代道路。 - Railways serve a different purpose to roads , and cannot be seen as a direct substitution
铁路与道路的功用不尽相同，所以铁路不能直接替代道路。