Interaction between nutrient concentration and ascorbic acid are significant ( P 0.05 ).

营养浓度与抗坏血酸间之交互作用显著 ( P<0.05 ).

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So when its nutrient concentration decreases, It'should be replaced in time.

所以当它里面的营养成分降低的时候, 就要及时地更换.

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The nutrient concentration has opposite distribution trend, due to the consumption of phytoplankton.

营养盐浓度由于浮游植物的消耗则有相反的分布趋势.

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Interaction between nutrient concentration and ascorbic acid are not significant ( P > 0.05 ).

营养浓度与抗坏血酸间之交互作用不显著 ( P>0.05 ).

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