| |||
| little-studied (mermaid_22); underinvestigated (bix); under-investigated (bix); less studied (the work casts light on some of the less studied aspects of the life and atmosphere Maria Klavdieva) | |||
| insufficiently explored; insufficiently studied | |||
| poorly studied; poorly explored | |||
| understudied (Andrey Truhachev) | |||
|
малоизученный : 6 phrases in 5 subjects |
| General | 2 |
| Geology | 1 |
| Medical | 1 |
| Space | 1 |
| Transport | 1 |