| 单词 | nutrient biopurification |
| 释义 | nutrient biopurification [`nü·trē·ǝnt ¦bī·ō´pyu̇r·ǝ·fǝ`kā·shǝn] ECOLOGY A process taking place within a nutrient cycle that maintains the pools of nutrient substances at optimum concentrations, to the exclusion of nonnutrient substances. |
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