| 释义 |
YSI may refer to: - Young Scots for Independence
- YouSendIt, an online site providing sending of large files
- Young Social Innovators, a project-based competition for schools in the Republic of Ireland
- Youth Science Ireland, formerly IAYSG (Irish Association of Youth Science Groups)
- YSI Inc., a brand of sensors and software for Xylem, Inc.
- YSi, a silicide composed of yttrium and silicon
- Parry Sound/Frying Pan Island-Sans Souci Water Aerodrome (IATA code: YSI), a Canadian airport
- YSI Includes created by Y_Less for SA-MP, a multiplayer modification of GTA Sanandreas.
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