查询词典 palm fern

A hare's-foot fern of the genus Davallia.

骨碎补属的一种兔脚蕨。

Any fern of the genus Doodia having pinnate fronds with sharply ''.

带有羊齿羽片披针形复叶的蕨类。

Any fern of the genus Doodia having pinnate fronds with sharply dentate pinnae.

带有羊齿羽片披针形复叶的蕨类。

Fornix fluid after first getting a check for the activities of the sperm, if sperm proved successful sexual intercourse, and then check cervical mucus, such as cervical mucus Drawbench long slide into the formation of a typical fern after drying crystallization can be considered suitable electoral test of time.

先取后穹窿液检查有无活动精子，如有精子证明性交成功，然后取宫颈粘液，如宫颈粘液拉丝长，放到玻片干燥后形成典型羊齿结晶，可以认为试验时间选得合适。

Chiefly lithophytic or epiphytic fern of North America and east Asia.

分布在北美和西亚的主要为石生或附生的蕨类植物。

Epiphytic fern found in lowland forests of tropical America.

美洲热带地区低地森林的一种附生蕨类。

Epiphytic fern with large fronds; Taiwan and Philippines.

有大叶子的附生蕨类植物；分布在台湾和菲律宾。

Archangiopteris somai is an endemic eusporangiate fern in Taiwan.

台湾原始观音座莲是一台湾产特有的厚囊蕨类。

The shoot of the fern has a curled-over tip which unfurls and becomes a fernleaf.

此符展示了慢慢舒展叶子的树蕨叶子顶端的样子。

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。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。