查询词典 palm fern

Delicate maidenhair fern with slender shining black leaf stalks; cosmopolitan.

长有纤细黑亮叶柄的一种铁线蕨；遍布全球。

Stiff leathery-leaved fern of western North America having ovate fronds parted to the midrib.

叶子坚韧似皮革的蕨类植物，分布在北美西部，有卵形的叶子，中间有叶脉分开。

Fern of North America and Europe whose rhizomes and stalks yield an oleoresin used to expel tapeworms.

北美和欧洲的一种蕨类，其根茎和叶柄分泌出一种可以驱除绦虫的含油树脂。

When I planted the fern and the bamboo seeds, I t ook very good care of them.

当我播种那些苔草和竹子的时候，我悉心照顾它们

David Samuel "Sam" Peckinpah was born February 21, 1925, the son of David Edward Peckinpah and Fern Louise Church.

虽然任务并不包括战斗，但佩金帕宣称目睹过中国与日本间的战争行为。

The fern spore, the original cell of the gametophyte, carries out asymmetrical mitosis to produce a large cell and a small cell. The small cell geminates to a rhizoid by tip growth, and the large cell further divides and develops to become a prothallus.

蕨类植物孢子作为配子体的原始细胞，通过不对称的有丝分裂产生一大一小两个细胞，小细胞萌发出极性生长的假根，大细胞继续分裂发育为原叶体。

So this research has a particular sigaifilance of physiological ecology. It is first reported that there are about 22 familias,38genera,67species (embrace 3 subspecies) of the wild Pteridophyte's and fern's spore mature period in this article.

但是 ，黑龙江省的蕨类，有着显著的特征∶大中型种类居多，生长周期短，生长速度快，往往形成大面积的群落，总贮量相当丰富，构成了黑龙江省独特的蕨类生态自然景观[5] 。

Du Feng Angui rattan craft products factory specialized in producing all kinds of handmade crafts manufacturers, using natural materials such as wood, bamboo, fern, grass, rope, and rattan and other design and production, with local characteristics and ethnic style of woven products of plant processes.

都安桂藤丰工艺制品厂专业生产各类手工工艺品厂家，采用天然原材料如木、竹、芒、草、绳及藤条等设计和生产，具有地方特色及民族风格的植物工艺编织制品。

Sweet fern and cold, and heat-clearing and detoxifying, laxative diuretic, nourishing the liver and kidney, the effect of insecticide-treated祛feng shi for Rectocele,jing feng children, chronic arthritis, high blood pressure, scurvy, bruises, internal injuries hematemesis, dizziness, insomnia have a better effect on measles, influenza prevention role.

蕨菜味甘性寒，有清热解毒、通便利尿、滋补肝肾、驱虫祛风湿之功效，对脱肛、小儿惊风、慢性关节炎、高血压、坏血病、跌打损伤、内伤吐血、头晕失眠均有较好的疗效，对麻疹、流感有预防作用。

A single Azolla mat can accumulate 20 to 30 kg N/ha, and successive croppings can yield 100 kg N/ha （ Roget et al, 1993）, a portion of which becomes available to rice through incorporating the fern as a green-manure.

一个满江红层每年能固氮20~30kg/公顷，连续种植能达到100kg/公顷（ Rogat et al， 1993），把蕨类当做绿肥翻压入土，部分养分便可供水稻利用。

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。