查询词典 marsh fern

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我们免费提供柏林酒店、公寓、旅舍和汽车旅馆的预定，我们还以优惠的价格提供最豪华高档酒店的预定。

"There are many different types of fern, none of which produce flowers."

"蕨类植物有许多不同的种类，无论哪一种都不长花。"

Jon : What did you do to my fern?!

你对我的植物做了什么？

Do you see the fern and the bamboo?

你有看到蕨类植物和竹子吗？

"Look around", He said.."Do you see the fern and the bamboo?"

"看看周围"，他说，"你看到那些蕨树和竹子了吗？"

The fern is one of many flora that are fractal; it's an especially good example.

蕨类植物是许多分形植物的一种；它是一个特别好的例子。

There is many different types of fern, none of which produce flower.

蕨类植物有许多不同的种类，无论哪一种都不长花。

There are many different types of fern, none of which produce flower.

蕨类植物有许多不同的种类，无论哪一种都不长花。

Take care of our love fern, honey.

照顾好我们的爱情之蕨，亲爱的

That's right, this is a fern.

对了，这是蕨类

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。