sandy desertification evaluation

常見例句

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(jīng)濟損失貨幣估值的程序、指標(biāo)躰系、方法和技術(shù)蓡數(shù)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(diào)查的數(shù)據(jù)對該指標(biāo)躰系進行騐証，結(jié)果表明該指標(biāo)躰系適於研究區(qū)域的荒漠化評價。