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器官直接发生途径
释义
器官直接发生途径
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理学
器官直接发生途径
释
direct organogenesis
器官直接发生途径
在培养条件下,由茎尖、分蘖条、根蘖条及胚等外植体不经过愈伤组织阶段而直接脱分化产生器官原基,或通过外植体上本已存在的器官原基分化形成不定芽、根或花芽等器官的过程。
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principal left ideal ring
principal line
principal line of photograph
principally analytic set
principally polarized variety
principal mapping
principal matrix
principal maximum
principal measure
principal minimum
principal minor
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
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