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By the end of 1949, only one out of three heroines in the women's magazines was a career woman—and she was shown in the act of renouncing her career and discovering that what she really wanted to be was a housewife.

到1949年底，女性杂志上只有三分之一的榜样人物是职业女性，而且这些女性都在宣布放弃自己的事业，发现自己真正想做的是家庭主妇。

R.Ph. for republishing on your websites, blogs and free offline magazines.

为重新在您的网站上，博客和免费离线杂志。

John Brown - Find free articles by expert author John Brown for republishing on your websites, blogs and free offline magazines.

布朗-找到免费文章的作者约翰专家布朗重新在您的网站上，博客和免费离线杂志。

John Richard - Find free articles by expert author John Richard for republishing on your websites, blogs and free offline magazines.

约翰理查德-找到免费文章的作者约翰理查德专家为重新在您的网站上，博客和免费离线杂志。

James Little - Find free articles by expert author James Little for republishing on your websites, blogs and free offline magazines.

詹姆斯小-找到免费文章由专家作者詹姆斯很少重新在您的网站上，博客和免费离线杂志。

James Smith - Find free articles by expert author James Smith for republishing on your websites, blogs and free offline magazines.

詹姆斯史密斯-找到免费文章由专家作者詹姆斯史密斯重新在您的网站上，博客和免费离线杂志。

Michael Little - Find free articles by expert author Michael Little for republishing on your websites, blogs and free offline magazines.

迈克尔小-找到免费文章由专家撰文迈克尔很少重新在您的网站上，博客和免费离线杂志。

Frank Go - Find free articles by expert author Frank Go for republishing on your websites, blogs and free offline magazines.

弗兰克去-找到免费文章的作者弗兰克转到专家为重新在您的网站上，博客和免费离线杂志。

John Christopher - Find free articles by expert author John Christopher for republishing on your websites, blogs and free offline magazines.

约翰·克里斯托弗-找到免费文章的作者约翰·克里斯托弗专家为重新在您的网站上，博客和免费离线杂志。

James West - Find free articles by expert author James West for republishing on your websites, blogs and free offline magazines.

詹姆斯西-找到免费文章由专家作者詹姆斯西方重新在您的网站上，博客和免费离线杂志。

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。