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单词
phosphorus-nitrogen ratio
释义
phosphorus-nitrogen ratio
phosphorus-nitrogen ratio
[
′fäs·fə·rəs ′nī·trə·jən ′rā·shō
]
(oceanography)
The proportion, by weight, of phosphorus to nitrogen in seawater or in plankton; the ratio is approximately 7:1.
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更新时间:2025/6/4 11:31:44