查询词典 prevents

Splined stem prevents torsion of bellows and assures long cycle life.

花键阀杆可防止波纹管旋转，确保较长的使用寿命。

This method only prevents the meeting of the egg and the sperms.

这手术不能阻止排卵和月经，它只阻止卵子和精子相遇。

Reporter the scene saw, the Conghua horse-riding field 4 altogether has 8 horse stables, is "the one-roomed", altogether may hold 160 horses, each all is loaded with the fan, prevents the horse heat-stroke.

记者现场看到，从化马术场4共有8个马厩，均是&单间&，共可容纳160匹马，每间都装有掉扇，以防止马中暑。

This impenetrable tunnel prevents snoopers and hackers from viewing your email, instant messages, credit card information or anything else you send over a wireless network.

这难以避免隧道snoopers和黑客的查看您的电子邮件，即时信息，信用卡信息或其他任何您发送了一个无线网络。

Hotspot Shield creates a virtual private network between your laptop or iPhone and our Internet gateway. This impenetrable tunnel prevents snoopers and hackers from viewing your email instant messages credit card information or anything else you send over the network.

对于苦于无法访问某些国外著名网站，以及受困于公司内部被Websense所限制的网站，甚至实现绕过国外某些网站对中国IP 地址的限制的朋友，这一VPN代理软件，不仅速度快，而且稳定性强，更重要的是这是一款免费软件。

If a bad software installation, bad device driver, virus, malware, spyware, worm or Trojan prevents Windows from starting, place your Selkie Data Rescue CD in the CD or DVD drive, reboot the desktop or laptop PC, then use Selkie to recover almost any file stored on the PC.

如果为了防止从 Windows 一开始就安装了一个有毛病的软件，错误的驱动程序，病毒，有害软件，间谍软件，蠕虫或者特洛伊木马，可以将 Selkie Data Rescue 光盘放到 CD 或者 DVD 驱动器内，重新启动你的计算机或者笔记本电脑，然后使用 Selkie 就可以恢复任何存储在你的计算机上的文件了。

It is reported the 3rd times flood peak passes the Yangtse River yesterday when Wuhan, levee burst, after many struggle but breach still was not stemmed, soon the life of 3 towns people mixes Wuhan belongings on the verge of death or destruction, suddenly one person is prevented to Wuhan always offer to solve method, be prevented by Wuhan after always adopt, immediately Wuhan prevents Wu of total Xiang Qi to be born, wang Jun gives birth to 2 people to send a telegram to say condition of Wuhan prevent or control flood is critical be badly in need of two super large straw bag, show look whole nation only you 2 people are the rightest, long for urgently Chinese photograph of your kind effort is aided.

导读：据悉昨日长江第三次洪峰通过武汉时，大堤决口，几经奋斗但缺口依然没有被堵住，眼看武汉三镇人民的生命和财产危在旦夕，忽有一人向武汉防总提议解决办法，后被武据悉昨日长江第三次洪峰通过武汉时，大堤决口，几经奋斗但缺口依然没有被堵住，眼看武汉三镇人民的生命和财产危在旦夕，忽有一人向武汉防总提议解决办法，后被武汉防总采纳，随即武汉防总向戚务生，王俊生二人发电报称武汉防洪形势危急急需两个超级大草包，现举目全国唯你二人最合适，急盼到汉鼎力相助。

This has to do with a hormone produced by pregnant women called relaxin that prevents the uterus from contracting prematurely.

这与怀孕妇女生产的一种叫做Relaxin的荷尔蒙有关，它防止子宫过早收缩。

Keeping the identities of rejectors hidden of course prevents referees from accepting papers because of fear of any kind of "revenge" from the authors.

保持身份rejectors隐藏裁判当然无法接受了，因为害怕任何形式的&复仇&的作者。

However, the exile community's view of themselves as the defenders and preservers of Tibetan culture prevents these influ- ences from being fully acknowledged.

但是，流亡社团视自己为藏族文化的维护者和保存者，阻止这些完全公认的影响。

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。