利用石蜡切片技术观察了埃及白睡莲的大、小孢子的发生,雌、雄配子体的发育,受精作用以及胚和胚乳的发育。
The megasporogenesis, microsporogenesis, female and male gametophyte development, development of embryo and endosperm were observed by using paraffin wax.
水中高耸起污白和蓝色的水晶塔、峭壁和裂隙,将海豹、睡莲和主教冠的形状千年积雪推送出去。
Grubby white and blue crystal towers, cliffs and crevasses soar up from the water, dispatching millenniums of compacted snow in the shape of seals, water lilies and bishops' mitres.
水中高耸起污白和蓝色的水晶塔、峭壁和裂隙,将海豹、睡莲和主教冠的形状千年积雪推送出去。
Grubby white and blue crystal towers, cliffs and crevasses soar up from the water, dispatching millenniums of compacted snow in the shape of seals, water lilies and bishops' mitres.
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