- sandwich hologram
- sandwich hologram interferometry
- sandwich immunoassay
- sandwiching
- sandwich matrix
- sandwich plate
- sandwich plates and shells
- sandwich polarization
- sandwich structure
- sandwich structure adhesive
- sandwich theorem
- sand worm
- sand worn
- sandy clock
- sandy coast
- sandy debris flow
- sandy desert
- sandy desertification in China
- sandy land
- Sandy Lives
- sandy soil
- SANEX流程
- San Family Plate
- Sanfang Qixiang
- Sanfeng sect of Taoism