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| 三 S 技术三 S 指遥感 remote sensing, RS；地理信息系统 geographic information system, GIS；和全球定位系统 global positioning system, GPS,这三者的缩写词的最后字母都是S,所以叫三S。RS 技术，GIS 技术和 GPS 技术统称为三 S 技术 | |||
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3 S technology : 2 phrases in 2 subjects |
| Horticulture | 1 |
| Information technology | 1 |
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