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单词
progymnosperms
释义
progymnosperms
Encyclopedia
农学
蕨类古裸子植物
释
progymnosperms
蕨类古裸子植物
由蕨类过渡到裸子植物的植物类型。又称前裸子植物。
理学
古植物学
释
progymnosperms
前裸子植物
一类起源于中泥盆世已经灭绝的维管植物。
随便看
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Alexander of Aphrodisias
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Alexander Petrovich Stein
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