查询词典 marsh fern

I plant a large number of sales of wild fern stem, shoot dry hills, dry mustard, molded dried vegetable, long beans dry.

我加工厂大量销售野生蕨菜干，小山竹笋干，芥菜干，霉干菜，长豆角干。

Delicate maidenhair fern with slender shining black ''.

长有纤细黑亮叶柄的一种铁线蕨；遍布全球。

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

A large, divided leaf; a fern or palm leaf.

叶 Frond 大而分裂的叶；真蕨或棕榈叶。

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] 。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。