back reflection camera
相关英语词汇推荐
- greenwich meridian
- cuesta
- precision processing
- speciation
- old plate tectonics
- descloizite
- ferganite
- ala twin
- organoclay
- limonite
- layering of relief
- Suspended solids
- soil subtype
- sial
- rock terrace
- discharge hydrograph
- acid geochemical barrier
- temperature barrier
- volcanic ejecta
- artificial radioactive element