您要查找的是不是：
- 干旱指數（SDI）spatial drought index (SDI)
- 土壤干旱指數soil drought index
- 指數index
- 氣象干旱指數Meteorological drought index
- 帕爾默干旱指數Palmer drought index
- 帕默爾干旱指數Palmer drought severity index
- SDI值SDI
- 上證指數Index of Shanghai Stock Exchange
- SDI服務(wù)SDI service
- HD-SDIHD-SDI
- 指數的exponential
- SDI建設SDI construction
- 中國西北夏季干旱指數研究Drought Index in Summer Season of Northwest China
- SDI接口SDI interface
- SDI信號SDI signal
- 干旱在非洲造成了饑荒。Drought has caused famine in Africa.
- 指數函數quantity in the exponent
- 串行數字接口（SDI）SDI
- 股票指數share index
- 多功能SDI監視器LV5750PORTABLE Multi SDI Monitor LV5750
