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林木新品种
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林木新品种
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农学
林木新品种
释
new varieties of forest tree
林木新品种
经过人工培育或对发现的野生植物加以开发,使其具备新颖性、特异性、一致性、稳定性,并有适当的命名的林木品种。
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principal minor array
principal minor determinant
principal module
principal moment
principal moment of inertia
principal net of a mapping
principal net of the flow
principal neutral point
principal nilpotent orbit
principal norm
principal normal
principal normal complex
principal normal form
principal normal line
principal normal plane
principal normal section
principal normal surface
principal normal vector
principal number
principal nutation
principal object
principal offender
principal of land laws
principal of least dissipation of energy
principal open set
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