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| net primary productivity (植物学中指总生产率 (gross primary productivity) 中减去植物呼吸消耗物质后所剩余的有机物质; 草原生产中指净初级生产率减去地下、地上不可食部分后可利用的饲用物质所含能量) | |||
| net primary productivity | |||
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