查询词典 Don Juan

Advertising.· If you don't know whether to code something or not, code it, and attach a note to the coding sheets to describe why you were unsure.

如果你们不知道是否应该对某材料进行编码，那么就在编码页面上贴上一张注释，解释一下你们不确定的原因。

You should never open documents or attachments from people you don't know.

你应该从未公开的文件或附从的人，你不知道。

You don't need to download the attachments to the PC to view them.

您不需要下载附件到电脑，以查看他们。

But you don't want to give me a heart attack first,do you?

但你不想让我先得心脏病，是吧？

I don't see how he cannot be considered an attacker.

我不明白为什么他总不被看作一名前锋。

If you don't lock the attacker out, they will likely be back.

如果您不能将攻击者拒之门外，他们很可能会再次回来。

Don't attempt to do something beyond your ability.

不要企图做那些办不到的事情。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

Don't attempt to do something that will not do!

不要企图做那些办不到的事情。

Don't attempt to do something out of your ability.

不要企图做那些办不到的事情。

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。