a didactic manner的用法和样例：
- It does this in a didactic manner, by first introducing the basic equations to be solved and some model systems as text cases, for which solutions exist.
- Most of the articles in the magazine are of a didactic nature.
- More than once during the years that I had lived with him in Baker Street I had observed that a small vanity underlay my companion's quiet and didactic manner.
- Legislatures often act in a negatory manner.