查询词典 sac
- 与 sac 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The central portion of an ovule in which the embryo sac develops ;the megasporangium.
珠心胚珠的中心,胚芽囊在此发育;大孢子囊
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In second stage,after 2-nucleate embryo sac development,most pollen tubes grow radially around ovules.
在亲和受精过程中,花粉管的生长速度和方向性已成为人们普遍关注的焦点。
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Its embryo sac matures about 45 d after pollination.
在培养后期,外源激素对胚囊发育的影响很大。
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The neural embryo development and yolk sac larval morphological development of E. septemfasciatus was investigated.
本实验对七带石斑鱼胚体、卵黄囊期仔鱼形态发育的过程进行观察,研究其发育特征。
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The development of the embryo sac is Polygonum type with numberous ...
小穗发育雌雄异熟,雌蕊的发育早于雄蕊的发育。
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The mature embryo sac has 7 nucleuses in solar greenhouse.
在日光温室条件下形成的成熟胚囊都是7核胚囊。
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The development of the embryo sac belongs to the 'polygonum' type.
通过花粉电镜扫描,发现锥栗具有丰富的遗传多样性。
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The pollen and embryo sac fertility were controlled by two sets of different genes, and both of them made contributions to F〓 spikelet fertility.
花粉育性和胚囊育性分别出不同的遗传基因控制,两者共同决定小穗育性的高低。
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In the gymnosperms the megaspore gives rise to a cell that is termed the embryo sac because of its similarity to the angiosperm structure.
在裸子植物中,大孢子也产生一个细胞,因为它类似于被子植物的胚囊细胞,故也可以称之为胚囊。
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Nucellar cells degenerated in advance under low temperature, which resulted in thickened embryo sac wall surrounding the megasporocyte.
低温处理的蝴蝶兰,胚囊发育过程中珠心细胞提前退化,在大孢子母细胞外围形成较厚的胚囊壁。
- 相关中文对照歌词
- Dans Mon Sac
- Le Sac Des Filles
- Cul-de-sac
- From Sac To The Boonies
- Been Dropped A Sac
- Cul De Sac
- Cul De Sac
- Cul De Sac
- 推荐网络例句
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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
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But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。