以下为句子列表：
英文: In the clubmosses and horsetails only one type of strobilus is formed, while in the gymnosperms female megastrobili and male microstrobili both develop.
中文: 石松和楔叶类只形成一种类型的球果，然而裸子植物既有雌性的大孢子叶球也有雄性的小孢子叶球。
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英文: It lasted for more than four months from initiation of the ovulate strobilus to formation of anatropous ovules.
中文: 从雌球果原基发生到胚珠分化历时4个多月。
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英文: Result is as follows: In the middle of October, the primordium of ovulate strobilus occurred, its occurrence time varied between different-aged ramets and different occurrence part.
中文: 结果表明：雌球果原基发生时间为10月中旬，不同的树龄和着生部位，其发生时间不同。
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英文: Strobilus (pl. strobili) A group of sporophylls (spore-bearing leaves) arranged around a central axis, found in gymnosperms, Lycophyta (clubmosses), and Sphenophyta (horsetails).
中文: 球果：孢子叶向中轴聚拢形成的结构，存在于裸子植物门植物、石松亚门植物（石松）和木贼纲植物中（楔叶类）。
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英文: Initiation and Development of the Ovulate Strobilus in Pinus tabulaeformis
中文: 油松雌球果的发生和发育研究
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