The mature pollen grain is 2-celled. ( 2) The ovary has 1 locule and there is 1 anatropous ovule in each locule.

  • 成熟花粉为2-细胞型。(2)牛膝菊子房一室,每室一枚倒生胚珠,具单珠被,薄珠心。
  • 来源:互联网摘选更新时间:2025-01-19 23:51:51

  • 重点词汇
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • hasv. 有( have的第三人称单数 );(亲属关系中)接受;拿;买到;
  • 1num. one;
  • pollenn.花粉;[虫]粉面;
  • maturev.长大成人;成熟;酿成;到期;
  • ovulen.胚珠,卵子;原卵;
  • loculen.小腔,小室;
  • there is那儿有;有着;
  • grainn.谷粒;谷物;细粒;一点;格令;纹理;质地;
  • ovaryn.[解]卵巢;[植]子房;
  • isvt.& vi. 是(be的三单形式);
  • eachdet.各自,每个;
  • 相关例句
1、

The ovules of Alpinia henryi K. Schum are anatropous, crassinucellate and bitegmic.

小草蔻(Alpinia henryi K.Schum)胚珠倒生,厚珠心,双珠被。

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2、

The ovary was bicarpellary syncarpous and unilocular having parietal placentas. Ovules were anatropous.

子房为二心皮一室,多胚珠,侧膜胎座,倒生型胚珠。

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4、

The ovule is of anatropous, simple integument and tenuinucellus.

胚珠为倒生型,具单珠被和薄珠心。

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5、

It lasted for more than four months from initiation of the ovulate strobilus to formation of anatropous ovules.

从雌球果原基发生到胚珠分化历时4个多月。

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6、

The ovary is 2-loculus with 2 anatropous ovules in each. The ovule is unitegmic and tenuinucellate.

子房2室,每室2个倒生胚珠,具单珠被,薄珠心。

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7、

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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8、

And the ancestor worship is another important reason.

其次,祖先崇拜观念的根深蒂固也是其产生的重要原因,两者互为依存。

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9、

Ancestor worship is a Chinese tradition dating back thousands of years.

中国祭祀祖先的传统已有数千年之久。

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10、

Miao silver bracelet in silver for the tokens of love, ward off evils, ancestor worship and other activities.

银饰手镯在苗族银饰用于定情,僻邪,祭祖等活动。

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11、

Since women cannot perform the duties of ancestor worship, girl children are often murdered by their parents.

女人不能履行祭祖的职责,所以女婴常常被父母弄死。

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12、

He was able to trace his ancestry back over 1 000 years.

他可追祖溯宗至1000年以前。

《牛津高阶英汉双解词典》

13、

Why would one person have two different ancestries?

为什么一个人会有两个祖先呢?

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14、
15、

For anchor block force calculation, there are three methods, i.e. primary estimation, empirical formula equation and computer assistant software.

管线锚固墩推力计算方法有估算法、公式法和计算机辅助程序计算法三种。苏丹Bamboo输油管线锚固墩的选择证明了这三种计算方法的正确性。

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16、

Origin analysis and treatment of anchor block cracking for Baiyanghe inverted siphon

白杨河倒虹吸镇墩裂缝成因分析及处理

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17、

So the root foundation can be a potential choice for the anchor block of suspension bridge.

根式基础用于悬索桥锚碇将成为一种新的选择。

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18、

The Corbel Supported Method for Constructing the Back Suspended Part of the Weight Anchor Block

悬索桥重力式锚碇锚体后悬段挑梁支撑法施工

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19、

How to Avoid the Oil Leak at Anchor Block of Long-distance Oil Pipeline

防止长输管道在固定墩处漏油的措施

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20、

Scheme Conception of Root Foundation and Anchor Block

根式基础及根式锚碇方案构思

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