查询词典 vascular plants

In vascular plants, the sporophyte is the dominant generation, while in bryophytes it is parasitic on the gametophyte.

维管植物以孢子体世代为主，而在苔藓植物的孢子体寄生在配子体上。

The province of vascular plants a total of 269 subjects, 1655 genera and 6255 kinds.

全省维管束植物共有269科、1655属、6255种。

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。

With the ability to identify the vascular plants by the herbarium of PPI and in the fields.

植物分类学实习乃为使学生在 PPI 标本馆与野外具有鉴定维管束植物的能力。

Homospory The production of only one kind of asexual spore, which then develops into a hermaphrodite gametophyte, in the vascular plants the condition is seen in most ferns, psilophytes, and Lycopodium species.

孢子同型：是只产生一种无性孢子并发育为雌雄同体配子体的现象。在维管植物中，很多蕨类，裸蕨和石松属的植物中常见。

In fungi it may be a simple hypha or erect branch of a hyphae; in lower vascular plants it may be a leaf or a STROBILUS.

在真菌中孢囊柄可能为一条菌丝或为直立的菌丝体结构。在低等维管植物中可能为孢子叶或球果。

Hong Kong is near the northern limit of the distribution of tropical Asian flora and has an estimated 2800 species of vascular plants, both native and introduced.

香港位于亚洲热带植物分布区的北面边缘，本土和外来的维管系植物，估计约有2800种。

As a result of analysis to many of the results of experiment, checked up on specimens, field investigation and combining with the theories of palaeobotany, comparative morphology, evolutional morphology of vascular plants and taxonomy, it can be concluded as following: the primitive sorts of Cycadaceae are the sorts that pinnate leafs are dichotomy; among these, the sort that pinnate leafs are tripinnate-dichotomy is most primitive, from this sort gradually evolve to bipinnate-dichotomy, to only for monopinnate-dichotomy, from this sort evolve to the sorts that pinnate leafs are simply pinna; among the sorts of simply pinna, the species that segments of megasporophyll possess much more triplicate to monodichotomy are most primitive.

经过大量的实验结果分析、查阅标本和野外调查，结合古植物学、比较形态学、演化植物学和分类学等理论进行分析，认为苏铁科原始的类型为羽叶呈二歧状分叉的种类，其中最原始的又是羽叶呈三回二歧状分叉的种类，从这个羽叶类型逐渐演化出一回二歧状分叉的羽叶类型，再演化出羽叶为单羽状的类型；而单羽状叶的类群中，又以大孢子叶侧裂片具三回、二回及一回二歧状分叉数量多的种类为最原始，而侧裂片二歧状分叉数量少的为较进化，侧裂片无二歧分叉的如拳叶苏铁类为最进化的种类。

Whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs.

蕨类植物；由松叶蕨科或裸蕨纲组成；无根脉管植物，叶仅部分分化或缺乏，孢子囊发育较差。

In vascular plants, the xylem and phloem serve to translocate such substances.

维管植物的木质部和韧皮部主要进行对这类物质进行运输。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"