冥界三河 发表于 2025-3-28 15:32:19
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Bradley J. Smith,Victor Corasolla Carregari purpose is to present and analyze various measures of the effectiveness with which inputs are transformed into outputs. Early efforts in this direction were made by . and . . Koopmans defined a feasible input-output vector to be efficient if it is technologically impossible to increase有说服力 发表于 2025-3-29 06:07:12
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André Saraiva Leão Marcelo Antunesd since 2000. Plant recording and phytosociological releves have been performed twice a year. The sinkholes are located at karst plateau, with intensive agriculture, resulting in very intensive erosion and underground water eutrophisation and pollution. That is why grassland belts were established adominant 发表于 2025-3-29 11:38:54
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