aggravation of the situation
恶化
aggravation of the situation
恶化
With the aggravation of water eutrophication in the world, cyanophycean bloom and its toxin harm aggravated day by day.
摘要随着全世界范围内水体富营养化加剧,蓝藻“水华”及其毒素危害日益加剧。
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