湘桂走廊地区大气降水明显的富集轻硫同位素（32S），而珠江三角洲地区则富集重硫同位素（34S）。
It is indicated that the sulfur isotopic composition of precipitation of Xiang-Gui Corridor is enriched in 32S, however, which of the Pearl River Delta is enriched in 34S.
实验证明，这一方法对桂香芒、紫花芒检测的果重分级准确率分别达96％、92％，果面坏损分级准确率分别为76％、80％。
Test results showed that the accuracy of weight grading was 96 % and 92 % for Guixiang mango and Zihua mango respectively, and the accuracy of surface bruise grading was 76 % and 80 % respectively.
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