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seed plants相关的网络例句

查询词典 seed plants

与 seed plants 相关的网络例句 [注:此内容来源于网络,仅供参考]

It is seen in many ferns and in all seed plants. Compare exoscopic.

在多数蕨类植物和所有的种子植物中均可以看到。

The floristics of seed plants in coastal hilly areas of southern Hainan Island was studied on the basis of data of 6 600 m2 sampling plots and route survey.

在对海南岛南端沿海低山丘陵森林植被进行实地调查的基础上,研究了该地区种子植物区系。

According to the statistics, there are 680 species of seed plants, belonged to 345 genera and 88 families.

据调查统计,本区有野生种子植物88科345属680种。

In seed plants also produce spores, and spores are profiled in the ovule Pearl hearts a megaspore mother cell produces large spores by meiosis in the anthers of the microspore mother cells produced by meiosis of microspore.

在种子植物中也产生孢子,且均为孢子异型,在胚珠的珠心中的1个大孢子母细胞经减数分裂产生大孢子,在花药中的小孢子母细胞经减数分裂产生小孢子。

Studies on photosynthetic characteristics of Chinese cabbage satellite monosome, diploid or trisome;2. Characteristics of Photosynthesis in Seed Plants of Satellite Chromosome Monosome, Diploid and Trisome of Chinese Cabbage

以大白菜随体单体、三体和二倍体为试材,在自然条件下,对生殖生长期的功能叶的叶绿素含量、希尔反应活性、净光合速率、光合速率日变化、Rubisco活性等生理生化指标进行了测定,以研究同源染色体的附加和减少对光合特性的影响,为开展染色体工程育种提供参考。

Comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six subclasses: Magnoliidae and Hamamelidae; Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae.

由生长双子叶胚胎和网状叶脉叶子的种子植物组成;分为六个亚纲;木兰群和金缕梅亚纲等。

Botany A nonliving, water-resistant protective tissue that is formed on the outside of the cork cambium in the woody stems and roots of many seed plants.Also called In this sense, also called phellem

栓皮:一种无生命的、防水保护纤维,形成于许多种子植物的木质茎和根软木形成层的外部也作在此意义上也可称作 phellem

Botany A nonliving , water resistant protective tissue that is formed on the outside of the cork cambium in the woody stems and roots of many seed plants Also called In this sense , also called phellem

栓皮:一种无生命的,防水保护纤维,形成于许多种子植物的木质茎和根软木形成层的外部也作

Manghe Nature Reserve, there are 882 kinds of seed plants, 285 kinds of animals.

蟒河自然保护区内,有种子植物882种,动物285种。

According to statistics, Lijiang, has more than 3000 kinds of seed plants, 400 kinds of timber wood.

据统计,丽江有种子植物3000多种,用材林木400种。

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