常見例句雙語例句In this paper, the program, criteria system, methods and indices of evaluation of economic loss of sandy desertification have been introduced to readers.本文對沙漠化經濟損失貨幣估值的程序、指標體系、方法和技術參數等進行了分析與探討。The evaluation index system of Keerqin sandy desertification was established by using Remote Sensing data, and the occupation ratio of bare sandy land was obtained by mixed spectrum model.利用外業(yè)調查的數據對該指標體系進行驗證,結果表明該指標體系適于研究區(qū)域的荒漠化評價。 返回 sandy desertification evaluation