The extracting method of RS and GIS information of groundsample plots.
地面样地对应的遥感信息及GIS因子的提取方法;
2
The state groundsample in Sinan county is one of 100 agricultural remote sensing monitoring sites in our country.
思南县国家级地面样方是全国100个农业遥感地面监测网点之一。
3
Turbulent waters tore into the hardened salt flats, broke them up, and ground them into the pebbles observed in the first sample taken by the Challenger.