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contour hedgerow
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contour hedgerow
Encyclopedia
农学
等高植物篱
释
contour hedgerow
等高植物篱
在山丘、坡面上沿等高线按照一定的间隔,以线状或条带状密植灌木、乔木及灌草结合的植物篱带。在篱带间种植作物可以减缓径流、减少水土流失。是坡耕地上低投入、高收益的保护性耕作和可持续利用设施。
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spectral homoge-neously broadening
spectral homology
spectral homology group
spectral hyperhomology functor
spectral imaging
spectral index
spectral inhomogeneously broadening
spectral integral
spectral intensity
spectral interference
spectral invariant
spectral irradiance
spectral irradiation
spectral isomorphic
spectrality
spectral kernel
spectral lamp
spectral leakage
spectral line
spectral line absorption
spectral line broadening
spectral line broadening mechanism
spectral line correlation
spectral line emission
spectral line formation
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