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ecosystem disturbance hypothesis
释义
ecosystem disturbance hypothesis
Encyclopedia
农学
生态系统干扰假说
释
ecosystem disturbance hypothesis
生态系统干扰假说
由自然或人为因素引起的,生物群落外部不连续存在(间断发生)因子的突然作用或连续存在因子的超“正常”范围作用的学说。此种作用能引起有机体、种群或群落发生明显变化,使生态系统的结构和功能发生位移,客观上可促进生态系统演替或景观格局变化。
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optical switching
optical switching integrated device
optical switching network
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optical system design
optical system design (lens design)
optical system parameters measurement
optical table
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optical testing instrument
optical theodolite
optical theorem
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optical thin film
optical thin-film
optical thin film absorption
optical thin film reflectance
optical thin film scattering
optical thin film transmittance
optical time division multiplexing
optical time division multiplexing transmission system
optical time division switching,OTDS
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