“primary productivity of waters”的概念、定义、翻译、参考文献-科学参考

单词	primary productivity of waters
释义	primary productivity of waters Encyclopedia 理学水体初级生产力释 primary productivity of waters水体初级生产力水体中自养生物（大型水生植物、浮游植物和营光合作用的细菌等）在单位面积、单位时间内，通过光合作用或化学合成制造有机物的速率。通常用卡/平方厘米/天的能量，或克/平方米/年的碳，或干有机物质作单位表示。
随便看	preordered set preordering preorder traversal preoscillation preosseous tissue preovulation preoxidation pre oxidizing agent pre-oxidizing agent pre packing dimension pre-packing dimension prepacking dimension preparacompactness preparating lemma preparation preparation and approval of recent construction plan preparation design preparation for a crime preparation of aluminum by aluminum amalgam preparation of amorphous silicon preparation of cement raw meal preparation of ceramic matrix composites by sol-gel processing preparation of ceramic matrix composites from polymeric precursors preparation of Chinese medicinals preparation of chiral drug

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