查询词典 ovules
- 与 ovules 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Most angiosperm ovules possess two integuments, while gymnosperms usually have only one.
大多数被子植物的胚珠有两层珠被,而裸子植物通常只有一层。
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The secondary nuclei can fertilize normally and form nuclear type endosperm while some constitute cellular endosperm, All of them degenerate 12 days after pollination,with the result of the ovules being aborted earlier while the arillus still occur and develop into seedless fruit finally.
次生核虽正常受精,并产生核型胚乳,有的还能发育到细胞型胚,到 12d左右也完全退化。结果导致胚珠极早败育,但假种皮仍能发生发育,最终形成无核果实
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Ovaries 2; ovules numerous in each carpel.
子房2;在每心皮里的胚珠多数。
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Ovules 2 in each carpel (1 sometimes sterile), collateral, erect.
在每心皮内有2胚珠,并生,直立。
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Ovary superior; carpels 1(–5), with 2 pendulous anatropous ovules per carpel.
子房上位心皮1(-5),具每心皮下垂倒生胚珠。
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Carpels free, 1-5, on flat receptacle; ovules 2 to numerous per carpel.
心皮离生,1-5,在平的花托上;胚珠2到许多每心皮。
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Carpels 2, connate. Ovaries semi-inferior or nearly inferior; ovules numerous in each carpel.
心皮2,合生;子房半下位或差不多下位;在每心皮里的胚珠多数。
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Carpels 2, distinct. Ovaries half-inferior or nearly inferior; ovules numerous in each carpel.
心皮2,离生。子房半下位或差不多下位;在每心皮里的胚珠多数。
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When ovule orientation is orthotropous the chalaza corresponds to the point where the funicle is attached but in anatropous and campylotropous ovules the chalaza is some distance from the funicle.
当胚珠的方向是直生胚珠时,合点和珠柄连成一条直线,当胚珠是倒生胚珠或弯生胚珠时,合点和珠柄之间有一定的距离。
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Ovary (2 or)3-locular, base confluent with disk; ovules erect, 2 per locule.
子房(2或者)3室,基部与花盘合生;胚珠直立,2每室。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。