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angiosperm相关的网络例句

查询词典 angiosperm

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

Based on the investigation of vegetation and plant diversity, there are 2702 species of vascular plants belonging to 221 families, 974 genera in Xiaoxi national nature reserve, among which 8 families, 17 genera, 25 species were gymnosperm, and 172 families, 860 genera, 2381 species were angiosperm, 41 families, 87 genera, 296 species were fern.

对湖南省小溪国家级自然保护区中的植物多样性进行了研究,结果表明:保护区内有维管束植物221科974属2702种,裸子植物8科17属25种,被子植物172科860属2381种,蕨类植物41科87属296种。

According to the statistics,There are 28 species of the key national preserved plant,which belong to 14 families 23 genera,of which there are 3 families 7 genera 10 species of gymnosperm and 11 families 16 genera 18 species of angiosperm,of which 3 species belong to the first grade of protected of plants and 25 species belong to the second grade of protected plants.

河南省处于温带与亚热带地区,植物资源丰富。据统计,国家重点保护植物28种,隶属14科23属,其中裸子植物3科7属10种,被子植物11科16属18种,国家一级重点保护植物3种,国家二级重点保护植物25种。

Appear in angiosperm, gymnosperm and fern.

管胞存在于被子植物,裸子植物和蕨类植物

Species are identified, among which 6 belonging to 6 genera in 4 families were gymnosperm, 22 belonging to 13 genera in 9 families were fern, 339 belonging to 22 genera in 88 families were angiosperm.

此外,由于冬季有时极端最低温较低,故造成了西湖山区也有不少落叶阔叶林和常绿落叶阔叶混交林等现象。

As a result of gymnosperm, especially hemp fizzles out and sweetberry jointfir is give priority to with unisexual flower, imagining primitive angiosperm consequently is an unisexual flower.

由于裸子植物,尤其是麻黄和买麻藤等都是以单性花为主,因而设想原始被子植物是具单性花。

In roots, however, the concept is still applied, and in some angiosperm roots a fourth histogen zone is recognized, the calpytrogen, which gives rise to the root cap.

然而在根中,它还是适用的。在一些被子植物的根中,还发现了第四种组织原,即 calpytrogen ,与根冠发生有关。

Paeoniaceae,a monomarphic family,has distinctive characters for its phylogeny in Angiosperm,such as:both of tapetum and microspore mother cell are homologous,and so are nucellus cell and macrospore mother cell;there are many macrospore mother cells.

芍药科Paeoniaceae为单属科,其系统发育具有一系列的独特性,在被子植物中是独一无二的。

The male reproductive organ of a flower, consitsting of an anther and filament; the angiosperm microsporophyll.

stamens, stamina 花的雄性生殖器官,由花药和花丝组成;被子植物的小孢子叶。

An important angiosperm flora was found in a sand-mudstone lens in Hanjiajing Formation of the Lower Oligocene from the basin, which changes the conditions that plant fossils of Palaeogene were seldom discovered in Northwest China, especially in Gansu Province.

在该盆地下渐新统韩家井组砂泥岩透镜体中一个重要被子植物化石群的发现,改变了我国西北地区尤其是甘肃省早第三纪晚期的植物化石几乎是空白的状况。

In the latter part of the Paleocene , large angiosperm fruits and seeds evoled and diversified.

在古新世后半期,大型种子植物的果实和种子进化和多样化,与此同时,食用果实和种子的哺乳动物也发生进化以及多样化。

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如工作狂的父亲、爱愤怒的父亲、性格过于内向木讷、逆来顺受的父亲都易造成父爱的缺失;父子、母子之间的有效沟通时间每周平均小于一小时等等,都是造成孩子成瘾的原因。

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