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大孢子囊
释义
大孢子囊
Encyclopedia
理学
〔植物形态与结构〕
释
megasporangium
大孢子囊
孢子体进行无性生殖的结构。存在于部分石松类植物(Lycophytes)即水韭科(Isoetaceae)、卷柏科(Selageinellaceae),水生蕨类植物(Ferns)即蘋科(Marsileaceae)、槐叶蘋科(Salviniaceae),以及所有种子植物(spermatophytes)的成熟孢子体上。
Biology
macrosporangium
大孢子囊
随便看
least square adjustment
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least squared criterion
least square estimation
least square filtering
least square fitting
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least square min-norm estimation
least squares
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least squares estimate
least squares estimation
least squares estimator
least squares fitting
least squares identification
least squares image matching
least squares method
least square solution
least squares principle
least squares problem
least squares solution
least time path
least universal exponent
least upper bound
least value
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