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具缘纹孔
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具缘纹孔
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〔植物形态与结构〕
释
bordered pit
具缘纹孔
纹孔边缘的次生壁向中央隆起,悬在纹孔腔上,形成一个穹形的边缘,纹孔口明显变小的纹孔。
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bordered pit
具缘纹孔
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discrete norm
discrete normal subgroup
discrete numbers
discrete optical fiber measurement technology
discrete optimal control systems
discrete optimization
discrete optimization problem
discrete order
discrete ordered group
discrete ordering
discrete ordinate method
discrete ordinates
discrete ordinates method
discrete orientation
discrete parameter
discrete picture
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discrete point set
discrete potential theory
discrete principle
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Discrete production
discrete programming
discrete projective line
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