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丰水期浮游植物多样性指数大于平水期。
Diversity index of phytoplankton in flood period is higher than that in dry period.
youdao
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安全：肥料盐分指数低，对植物安全；
Safe:low salinity index, and safe for plants;
youdao
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安全：肥料盐分指数低，对植物安全；
Safe:low salinity index, and safe for plants;
youdao