查询词典 fern

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。

Mr. Arable set the carton down at Fern's place. Then he walked to the sink and washed his hands and dried them on the roller towel.

阿拉布尔先生就把纸箱放在弗恩的位子上，然后他走到水池旁边洗了手，用滚筒架上的擦手毛巾擦干。

Arab League estimates the cold joke and guesses a riddle before the intense typhoon flowering fern honey raids returns to Taichung's road from two forests, Mi Dou hears the cold joke which I rephrased in own words Arab League estimate said: the ** sand lucky star probe head juts out the glass to look that the turn signal does have bright, looked that while said:"yes, no, yes, no"** Smiles to rolls in ground.

在强烈的台风开花的蕨蜂蜜袭击回归到Taichung'之前，阿拉伯国家联盟估计冷的笑话并且猜测谜语；从二个森林的s路， Mi窦听见我改变措辞拥有词说的阿拉伯国家联盟估计的冷的笑话：**沙子幸运星探针头突出玻璃看起来转弯信号有明亮，看那，当说时：「是，没有，是，没有」**对卷的微笑在地面。

Species: sensitive fern; in some classifications included in Polypodiaceae.

一个种；球子蕨；在一些分类中，包括在水龙骨科内。

Slender shield fern of moist woods of eastern North America; sometimes placed in genus ''.

北美洲东部雨林地区的一种薄叶盾蕨；有时归为鳞毛蕨属。

Slender shield fern of moist woods of eastern North America; sometimes placed in genus Dryopteris .

北美洲东部雨林地区的一种薄叶盾蕨；有时归为鳞毛蕨属。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。