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food chain of aquatic ecosystem
释义
food chain of aquatic ecosystem
Encyclopedia
农学
食物链
释
food chain of aquatic ecosystem
水生生态系统食物链
在水生生态系统中,从植物、细菌和有机物开始,物质和能量通过摄食与被摄食在各营养级的水生生物间依次传递所形成的链状营养关系。当能量在食物链传递时,每经过一个营养级就有一部分能量会损失掉。因此,食物链不可能无限加长,水生生态系统食物链的营养级通常只有4~5级。
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exterior differential form
exterior differential operator
exterior differential system
exterior differentiation
exterior dimension
exterior domain
exterior field
exterior form
exterior gateway protocol
exterior gateway protocol, EGP
exterior ingress
exterior-interior angles
exterior inverse problem
exteriority
exterior measure
exterior multiplication
exterior natural light
exterior normal
exterior opposite angles
exterior orientation elements
exterior penalty function method
exterior penalty method
exterior point
exterior point method
exterior power
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