Special relativity came first and is based on the speed of light being constant for everyone.

首先发布的是狭义相对论，它的基础是对于任何一个人来说，光速是恒定不变的。

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To deal with this geometric puzzle the defence department paid BEC Industries, an engineering firm based in Florida, to design a special container-management system.

为解决这种几何学上的难题，国防部聘请一家位于弗罗里达的工程公司——BEC Industries，设计一种专用的集装箱管理系统。

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Lowffer recommends nearby deals and special offers based on user recommendations and your location, acting somewhat like a mobile Groupon app.

Lowffer就根据用户推荐地点和实时地点来推荐附近的优惠券等，这有点像是手机版的Groupon。

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Networking among these organisations was facilitated through a special web-based platform and a number of training opportunities (webinars and video tutorials) were provided to build their capacities to use the Internet and social media for health and HIV prevention education.

UNESCO: ONLINE Prevention on the Agenda of Youth Organizations in Eastern Europe and Central Asia | United Nations Educational, Scientific and Cultural Organization

One reason for the relatively large high school completion rate is that the United States offers a number of "second chances" for students to obtain a high school diploma, including attendance at special school-based programs and obtaining a General Education Credential (GED) credential, usually by passing a high school equivalency examination.

UNESCO: II Part Analytic Section

Last year, the publisher acquired Hybride Studios, a Montreal-based special-effects company, where the film was shot.

FORBES: Take Back The Rights: Videogame Flicks