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岛屿物种平衡学说
释义
岛屿物种平衡学说
Encyclopedia
农学
〔害虫生物防治理论〕
释
theory of island species equilibrium
岛屿物种平衡学说
认为由于岛屿面积和隔离程度的限制,新物种的迁入和岛屿上原有物种的灭绝会随时间不断变化,当物种的迁入率和灭绝率相等时岛屿物种的数目将趋于动态平衡并且在一定时间内会保持稳定的理论。
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measurement of soft magnetic material
measurement of soil pH
measurement of soil water characteristic curve
measurement of soil water content
measurement of soil water evaporation
measurement of soil water infiltration
measurement of soil water potential
measurement of solid ore flow
measurement of static magnetic properties
measurement of surface profile not related to a datum
measurement of surface profile related to a datum
measurement of the carrier concentration and distribution
measurement of the field of view of optical system
measurement of the ionospheric absorption
measurement of the purity of polysaccharide
measurement of thickener underflow density
measurement of thickener underflow flow-rate
measurement of time
measurement of time constant of resistor
measurement of total luminous flux
measurement of total radiant flux
measurement of total reaction cross sections
measurement of transverse mode
measurement of tritium in air
measurement of trunk bones
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