查询词典 piles

He's got piles of work to do this morning.

今天上午他有大量工作要做。

And some, busy in research, didn't bother to look up from their piles of books.

和一些，在繁忙的研究，并没有理会看看从他们的成堆的书籍。

There are piles of paper on his desk.

他的桌子上堆了成摞的纸。

On a day when I'm free to do whatever I want to, there will be piles of books surrounding me.

什么是我的幸福在悠闲的一天，有着一叠叠的书围绕着。

There are piles of energy we can't use.

一堆堆的能量，我们却不能使用。

B : I have piles of projects to do , so I have to work late every night .

我有成堆的项目要做，所以几乎每天忙到深夜。

There are piles of stuff here that nobody has picked up, she said.

有很多东西在这里，没有人拿起桩，她说。

It takes a lot of time to sort out these piles of books.

把这么多书分类整理要花很多的时间。

Grammar I have piles of homework to do, therefore I can't relax.

我有许多作业要做，因此，我无法放松。

We have a pile of/piles of homework to do.

我们有许多作业要作。

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。