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With the end of the War of 1812, the really important shift in cotton production to the west began.

而轧棉机的应用使棉花线纱产量大得出奇。1812年随着战争的结束，棉花生产向西部的重要转移开始了。

Hope is what I saw in the eyes of the young woman in Cedar Rapids who works the night shift after a full day of college and still can't afford health care for a sister who's ill. A young woman who still believes that this country will give her the chance to live out her dreams.

希望是我在锡达拉皮兹市的一位年轻妇女的眼睛里看到的，在完成一天的学业之后她还得上夜班，仍无法支付生病妹妹的医疗费用，但她还是相信这个国家会给她实现梦想的机会。

The unique negative refractive materials possess some unusual properties, such as negative refraction ,reverse Goose-Hanchen shift and negative Cerenkov radiation ,however all of these phenomena do not violate any fundamental principles.

然而，所有这些现象并不会有悖于基本原理。

In addition to the thermal reasons, the advection of arctic sea ice, which is the result of dynamic factors, is closely related to the frequency shift that occurred in Chukchi Sea.

楚科奇海海冰范围的年际变化中存在由低频向高频变化的现象，该现象除了在局地气温变化中存在之外，在北冰洋区域风涡度、波弗特海纬向风、东西伯利亚海经向风等动力因素中也有所体现。

In Doppler effect, Gravitational red shift and Compton effect as it changes frequency the photons (including γphoton ) always abide by constant principle of light speed ,which proved that the photon has zero mass.

在多普勒效应，重力红移和康普顿效应中，光子在频率发生变化时总是遵守光速不变原理，由此证明了光子具有零质量。

It is important to grasp the shift in emphasis which occurs within Durkheim's work .

把握迪尔凯姆著作中出现的这一重心转移十分重要。

Click on Control/Command + Alt + Shift + E to create a new layer with all the layers merged.

点击控制/命令+按Alt + Shift + E 以创建一个新的图层所有层合并。

结论 Click on Control/Command + Alt + Shift + E to create a new layer with all the layers merged.

点击 控制/命令+按Alt + Shift + E 以创建一个新的图层所有层合并。

In Shreveport, where 800 workers work on a single-shift building Hummer H3 and H3T models, there was relief that a new buyer would keep the line running for at least a while longer.

在什里夫波特， 800名工人在那里工作的一个移位建设悍马H3和H3T模式，有一个新的救济买方将保持其线运行，至少一段时间。

You can get back to your shift at the E.R.

你可以回急诊室当班了

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。