查询词典 fifteen

I have fifteen minutes to finish this section of the test.

我需要15分钟的时间来完成考试的这个部分。

Within fifteen minutes, we are ready to go back to what we were doing.

在15分钟内，我们会返回到我们正在做的事情中

But I didn't know it at fifteen.

但那时的我并不知道一切。

I've been here for fifteen years.

我在这儿待了有十五年了。

It was the first growth in Japan's economy in fifteen months.

这是日本经济在过去的15个月中的首次增长。

He was fifteen years old and still on his

他爱他的爸爸。

You know,actually my son is only fifteen years old.

你知道，实际上我的儿子只有十五岁。

The summer of fifteen, I was going to another school in the city.

十五岁的夏天，我去了这个城市的另一所学校。

I am not a kid, I am fifteen years old!

我不是一个孩子，我15岁！

He was fifteen. I was five. I went to see him.

我哥哥15岁时，我5岁；我去看他，他看到了魔鬼吗？

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。