ovuliferous [,əuvju'lifərəs]
- ovuliferous的基本解释
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具胚珠的, 产小卵的
- 更多网络例句与ovuliferous相关的网络例句 [注:此内容来源于网络,仅供参考]
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Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.
苞鳞:在裸子植物的雌球果中大量存在的结构,每个苞鳞都包含一个珠鳞。
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The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants and the ovuliferous scales of gymnosperms.
心皮和能产生孢子的维管植物还有具胚珠的裸子植物的大孢子叶是同源的。
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At the end of February, the bract attained approximately their full size, and a pair of anatropous ovules were initiated on the adaxial surface at the base of the fertile ovuliferous scale.
2月底,苞片体积不再发生变化,珠鳞膨大端的基部的近轴面分化出2个倒生胚珠。
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The ovulate of pines are much larger and more complex in their structure than are the pollen-bearing cones (Figure 20-23).The ovuliferous scales,which bear the ovules, are not simply megasporophylls.
那松树排卵更非常大而且更多复杂的在他们的结构比较是举止花粉的圆锥体(图 20-23)。ovuliferous 刻度,忍受 ovules,不只是 megasporophylls 。
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According to the year with the best large-seed production, the reasons for empty seeds could be estimated as follows: Seed potential per cone calculated as 2 times the number of fertile ovuliferous scales was about 206 seeds. Percentages of seed losses resulting from pre-and post-pollination ovule abortion, prezygotic factors, embryo degeneration, and efficient seed were 33%, 27%, 39%, and%, respectively.
依据大粒种子产率最高的1年来估测空粒种子产生的因素,可以推估如下:依据每个可孕性鳞片所含2粒种子的鳞片数,潜力种子数约有206粒,再依此值算出受粉前后胚珠败育率、受精前败育率、胚败育率、及有效种子率分别为33%、27%、39%及%。