ovule的英语例句
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Seed development in most instances commences following fertilization of the ovule.
大多数种子的形成是从胚珠受精开始的.
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The occurrence of more than one embryo in the ovule denotes polyembryony.
在胚珠中有一个以上的胚发生是表示多胚现象.
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The primary chalazal haustorium ramifies around the vascular tissues of the ovule.
初生合点吸器沿着胚珠的维管组织分支.
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