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