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双韧管状中柱
释义
双韧管状中柱
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理学
〔植物形态与结构〕
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amphiphloic siphonostele
双韧管状中柱
环状木质部的内、外两边均有韧皮部的中柱。中央具髓的管状中柱的一种。如蚌壳蕨属(Dicksonia)植物根状茎中的中柱。
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Modern Times
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modern tin, antimony, bismuth, cadmium and mercury industry in China
modern titanium industry in China
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Modern Tragedy
modern tungsten industry in China
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modern vanadium industry in China
modern well testing methods
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Modern Writer Volume
mode selection
mode selective chemistry
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Modes in Chinese operatic music
mode skewness
modes of mechanical transport
modes of operation of television stations
modest telescope
mode subtraction
mode superposition method
mode suppression
mode synthesis method
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