查询词典 sensitive fern

The structure of spore wall of more than 10 species of the fern Filicales and the structure and development of sporoderm of 7 representative species of Filicales were studied contrastively by Light microscope, scanning electron microscope and transmission electron microscope.

主要采用光镜、扫描电镜和透射电镜对照的方法，对我国产真蕨目10多种真蕨孢子主要类型的壁层结构进行了观察，并对7种典型类型的代表种进行了孢壁结构和发育的研究。

In present project, we described the basic characteristics of the sporoderm about the primative and advanced fern of Filicales and elucidated the origin of diferent layers of sporoderm, formation stage of sporoderm and the formation and stability of the ornamentation of sporoderm.

描述了真蕨目中原始类群和进化类群孢壁结构的基本特征；阐明了孢壁的来源、形成时期、纹饰的形成和稳定性等重要的孢粉学问题。

Any flowerless plant such as a fern or moss in which growth occurs only at the tip of the main stem.

仅生长在主茎末端的蕨类或苔藓类的任何无花植物。

T: Fern, I wonder, when Donald was talking about being like Roberta and John asked hima question how did you feel?

治疗师：Fern，我想知道，Donald说他和Roberta有些象，然后John问了他一个问题，这个时候你有什么感觉？

Some of these spores in the sporangium After the mitotic generated, such as clothes swimming algae spores, Rhizopus spores of the cyst, chlorella-like pro-spores, etc.; some spores in the sporangia produced in the future through meiosis, such as Ulva lactuca , kelp, to money, gourd moss, fern and so on.

其中有的孢子是在孢子囊中经过有丝分裂所产生的，如衣藻的游动孢子、根霉的孢囊孢子、小球藻的似亲孢子等；有的孢子是在孢子囊中经过减数分裂以后产生的，如石莼、海带、地钱、葫芦藓、蕨等。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

Any of various aquatic or marsh fern s of the genus Marsilea,having floating,four - parted palmate leaves rising from long runners.

苹某种水生或沼泽厥类植物，苹属，有从长蔓上长出的浮动的四指掌状叶子

Individuals of Marsilea quadrifolia, an amphibious fern, experiencing extreme variations in environment develop heterophyll with different morphological characteristics.

田字草是一种水栖的蕨，在同环境下会长出形，这些形具同的形态特徵。

As of the township, by the end of 2006 net income of 860 yuan per capita, the size of the total livestock population 3683, the territory of wild animals and plants, fungi, and other rich resources of Chinese herbal medicine, in which white fern, Morchella, Cordyceps famous products are exported to Lanzhou, Qinghai, Ningxia, Henan and other places, this is a rural economic development path.

截止2006年底全乡人均纯收入860元，大小牲畜总存栏数3683头，境内野生动植物、菌类、中草药等资源丰富，其中白蕨菜、羊肚菌、虫草享有盛名，产品远销兰州、青海、宁夏、河南等地，这就是乡村经济发展的一条路径。

In the fern allies, there was no obviously evolutional trend among the mycotrophic, facultative mycotrophic and autotrophic, however, the evolutionary trend may be from the mycotrophic to facultative mycotrophic, and at last to the autotrophic which got rid of mycotrophism in the filicophytes

在拟蕨类植物中，VA菌根营养、兼性菌根营养和自养之间无明显的进化趋势；而在真蕨类植物中，则由VA菌根营养向着兼性菌根营养到最后摆脱菌根营养而行自养的方向演化

He became prime minister in 1997 and won international acclaim for his role in the Northern Ireland peace process.

他在1997年成为总理，并且因为在北爱尔兰的和平进程中发挥的作用受到国际社会的赞许。

Mixed Page Sorting Method Using the cuttable user model, this thesis proposes a mixed page sorting method by using cutted user model in server-side and complete user model in client-side.

隐私分级利用的混合式页面排序方法针对个性化搜索中搜索结果排序的问题，本文利用隐私可控开放的用户偏好模型，提出一个在客户端和服务器端分步进行的隐私分级利用的混合式页面排序方法。