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来源：雅诚德英语网
The results indicated that in the grass group and sedge group, the above ground biomass in the plots, where the precipitation increased by 20%, was 103.
结果表明，不同植物类群(禾草类、莎草类)增加降水20%，地上生物量分别比对照提高103。
The results indicated that in the grass group and sedge group, the above ground biomass in the plots, where the precipitation increased by 20%, was 103.
结果表明，不同植物类群(禾草类、莎草类)增加降水20%，地上生物量分别比对照提高103。