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Two hundreds years ago, cesare beccaria, an Italian famous criminal scholar, first proposed to abolish and retain the death penalty, from then on, the controversies have been continuous.

毕业已经一年，突然翻出来一年前的两篇毕业论文，觉得当初确实是付出了相当大的努力啊，现在看着那时的文字，有点担忧那不是自己写的，如今一定不能再写出那样的文字了。

Beckwith and other teachers at the school started offering yoga in the classroom two years ago.

两年前，Beckwith和其他的老师开始在学校开办瑜珈课。

Beckwith and other teachers at the school stsrted offering yoga in the classroom two years ago.

贝克维斯和其他老师从两年前开始在教室里提供瑜伽来教学生们。

Beckwith and other teachers at the school started offering yoga in the classroom two tears ago.

两年前贝克维和学校其他的老师开始在教室里传授瑜伽。

Some 15 years ago the radiation of uranium was discovered by Henri Becquerel, and two years later the study of this phenomenon was extended to other substances, first by me, and then by Pierre Curie and myself.

大约十五年前铀的辐射由亨利·贝克勒尔发现，两年以后，对这一现象的研究首先由我，然后由皮埃尔·居里和我自己扩展到了对其他物质的研究。

I would like here to recall the extraordinary development of radioactivity, this new science which had its origin, less then forty years ago in the work of Henri Becquerel and of Pierre and Marie Curie.

我想在这里回顾一下放射性研究的非同一般的发展情况；这一新兴学科起源于三十多年前贝克勒尔和居里夫妇的研究工作。

EVery abundance night ago I go to bed, I check on my two sons.

每一天晚上睡觉前，我都要看看两个儿子。

A few years ago the world's most popular bed linen is the cashmer was being taken, and so on.

前几年国际上最流行的床上用品是羊绒被、太空被等。

A: Compared with the life 10 years ago, I am now on a bed of roses.

和10年前的生活相比，我现在可算是称心了。

"It's no longer just the key destinations we knew about five years ago," Beddoe said.

贝多说﹕「如今不再只是我们五年前所知的几个主要买春目的地」。

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。