tree ring
tree ring, Total:2 items.
The international standard classification for "tree ring" includes: Geology. Meteorology. Hydrology .
The Chinese standard classification for "tree ring" includes: Meteorology .
Professional Standard - Meteorology
- QX/T 90-2008 Standards of tree-ring sampling for dendroclimatological research
- QX/T 153-2012 Specification for Tree-ring Gray Value Data Acquisition
