查询词典 gymnosperm

Did you know Cycas is the most primitive gymnosperm, having existed since Jurassic times and undergone little change in its appearance and features for 200 million years.

导赏资料：苏铁是最原始的裸子植物，在侏罗纪时代已经存在，外形及其他特徵在二亿年来均没有太大改变，所以又称为「活化石」。

The contents included the followings : Nomenclature of trees , History of dendrology taxonomy , System of classification , Influences and fruit , Terms of taxonomy , Classification of tree farms , Classification of Gymnosperm , Classification of Angiosperm.

其内容如下：树木的命名、树木分类的历史、分类系统、花序及果实、分类的术语、木本蕨类之分类、裸子植物之分类与被子植物之分类。

Ginkgo biloba is a kind of gymnosperm,and a dioecious tree species.

但银杏的童期很长，实生树开花需要20a以上。

He also observed that gymnosperm ovules were not enclosed in an ovary wall, leading to the establishment of one of the basic differences between angiosperms and gymnosperms.

他还观察到裸子植物的胚珠并不是被子房壁包围，这个发现直接导致了被子植物和裸子植物之间最根本的几点区别的建立。

Kagaensis might also have fed on young gymnosperm leaves, the researchers say.

研究者说也有可能是K。 kagaensis以那些裸子植物的嫩叶为食物。

Has the Maotai moss plant in the native plant 114 to be 187 kinds, the fern 57 is 127 kinds, the gymnosperm 14 is 18 kinds, the angiosperm 605 is 1114 kinds.

在原生植物中有茅台藓植物114属187种，蕨类植物57属127种，裸子植物14属18种，被子植物605属1114种。

The abundant Gymnosperm and varied coniferous forest types is the prominent characteristic of vegetation in Mt. Yuanbaoshan.

4裸子植物丰富，针叶林群落类型多样，是元宝山植被组成的突出特点。

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。

In gymnosperm, COMT only has the first kind of function.

裸子植物中COMT只能催化咖啡酸。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。