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