And further, as an example of Daqiao Town in Jiangdu City, Standard Plot Method is applied in farmland classification.
因此，本文拟研究样地法进行农用地定级的理论、方法及其在江都市大桥镇农用地定级中的应用。
The plus trees selection of Q. variabilis should use the small sample plot method and the standard is different in each region.
栓皮栎优树选择应采用小样地法，各地区选择标准不同。
The method of the standard sample-plot combined with remote sensing and GIS are employed.
研究方法：用标准样地结合遥感、GIS等手段构建体系。
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