查询词典 acknowledge sb. as one's master

Buddy up to sb -- make friends with sb , follow sb

怎么这么多，这里我学到几个单词和词组

Assign sb to sth ;name sb for a task or position; appoint sb

指定某人做一工作或任一职务；委派，选派某人

On behalf of sb/on sb's behalf idm (=as the representative of sb or instead of them)ad.

代表某人或代替某人

Part company ( with/ from sb ) to leave sb; to end a relationship with sb

离开；分手；断绝关系；散伙

Make jokes on sb./ play a joke on sb. make fun of sb.

以上短语意思是"取笑某人，开某人玩笑"。。。

Provide sb. with sth., supply sb./sth. with sth., supply sth to/for sb.

这三个词组都表示"提供，供给"，但所接的词不同，有时可能用。

Raise group of engineer of instrument life to develop through put sb in a very important position but system of put sb in a very important position, can improve instrument put sb in a very important position as far as possible, prolong the life that tests a system at the same time.

工程师团队开辟可重用系统，就能够尽可能进步仪器重用，同时耽误测试系统的寿命。

Remind sb of sth/ remind sb that clause/ remind sb to do sth.

提醒某人做某事

Ring sb up/ phone sb/ call sb.

打电话给某人。

See sb do sth see sb doing sth see sb to do sth

的意思。。。 see sb do sth 意为"看见某人做了某事"，一般指全过程。

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。