 |
| |||
| instructional material; teaching material; instructional equipment | |||
| courseware | |||
| tutorial; audio-visual material (das sich optischer u. akustischer Mittel bedient) | |||
| teaching aids; educational material; teaching equipment; educational aids; training aid; training materials; training aids | |||
| tutorial paper | |||
|
Lehrmaterial : 5 短语, 4 学科 |
| 一般 | 2 |
| 专利 | 1 |
| 信息技术 | 1 |
| 财政 | 1 |