查询词典 marsh fern

The leaf of a fern.fern with long narrow strap-shaped leaves.

有着又长又窄皮带形状叶子的蕨类植物。

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

It is a large, sheltered estuary which comprises large areas of salt marsh and extensive intertidal sand- and mud-flats, with limited areas of brackish marsh, rocky shoreline and boulder clay cliffs, within a rural and industrial environment.

这个河口是很大的，其中包括大面积的盐沼和混合沙泥的平地，在农村和工业环境里有有限的咸水沼泽、岩石的海岸线和巨石粘土悬崖。

This solution was brought to Asia using the expertise of Bowring Marsh, the specialist international placement division of Marsh.

该解决方案是通过达信专业批量保险业务安排部门 Bowring Marsh 推介到亚洲地区的。

Mark Gregory, chief executive of Bowring Marsh, a unit of insurance broker Marsh, says clients particularly admire the skill of Lloyd's underwriters at dealing with unusual and complex risks (try Ugly Betty's smile).

其首席执行官马克格雷 Bowring Marsh 是一个保险经纪人美世公司的一个单位，戈里称，客户尤其赞赏劳埃德商船协会的保险公司在处理不同寻常且复杂的风险时的技巧。

The nektons in an intertidal creek of a newly formed salt marsh at Yangtze River estuary were sampled by Fyke net to assess its habitat utilization of the salt marsh.

利用长袋网采集了长江口新生盐沼湿地潮沟内的游泳动物，分析了该类盐沼湿地的鱼类栖息地利用。

You knew what my Art was to me, the great primal note by which I had revealed, first myself to myself, and then myself to the world; the real passion of my life; the love to which all other loves were as marsh water to red wine, or the glow-worm of the marsh to the magic mirror of the moon.

在我的一个戏剧的首演之夜，他弄假骗到一个座位，阴谋打断演出，当着观众的面恶语中伤我，污辱我的演员，要在谢幕前人们唤我到台前时无礼下流地用东西扔我，完全是要居心叵测地借我的作品使我名声扫地。

Now effects are being made to transform the microorganism produced by marsh gas and it is also possible to produce marsh gas and even some kinds of protein.

现在正在改造沼气产生的微生物，并有可能生产沼气与一些可作调料的蛋自质。

Multipurpose use of marsh gas,an applied technology of marsh gas and its fermented products,helps fertilizer application to come to a frontier.

沼气综合利用就是指沼气及发酵的产物的应用技术，它把肥料技术的应用发展到一个新领域。

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。