查询词典 pollarded

A few paces more, and you arrive at the abominable pollarded elms of the Barriere Saint-Jacques, that expedient of the philanthropist to conceal the scaffold, that miserable and shameful Place de Grove of a shop-keeping and bourgeois society, which recoiled before the death penalty, neither daring to abolish it with grandeur, nor to uphold it with authority.

再走几步，你就到了圣雅克便门的那几棵丑恶不堪、断了头的榆树跟前，那几棵树是些慈悲心肠的人用来遮掩断头台的东西，那地方是店铺老板和士绅集团所建的一个卑贱可耻的格雷沃广场①，他们在死刑面前退缩，既没有废止它的气量，也没有保持它的魄力。

The willow s need to be pollarded.

这些柳树需截去树梢。

The willows need to be pollarded.

这些柳树需截去树梢。

The willows need to is pollarded.

这些柳树需截去树梢。

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。