When I lived in Washington DC as the BBC's north America editor, we used to drive the children two hours north to Hershey's Chocolate World.

当我作为英国广播电台北美站的编辑住在华盛顿特区的时候，我们曾带着孩子们驱车两小时北上去参观赫尔希(hershey)巧克力世界。

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The influence on grid's transient stability margin and DC system is also studied while the power slope of north or south AC transmission system is taken as modulation signal respectively.

分别取北通道功率变化率及南通道功率变化率为调制信号对系统暂态稳定裕度及直流系统的影响；

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It now has branches in four of New York's five boroughs, and plans to open in Washington, DC, North Carolina and California.

现在它在纽约五区中的四区都设有分行。并且计划在华盛顿、北卡和加州开设分行。

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"This was a complex investigation over several months, which involved a team examining documents and records going back to 2003 and interviewing as many as 12 individuals to uncover the wide ranging fraud and deception carried out by Beard over many years, " said DC Evans from North Wales Police.

BBC: Miriam Beard jailed for Plas Madoc Communities First fraud

DC, to discuss the future of the North American Free-Trade Agreement.

ECONOMIST: A worldly spin from George Bush

Spark EV is the first all-electric vehicle in North America to offer optional SAE Combo DC Fast Charge capability, which can charge the battery to 80 percent of capacity in about 20 minutes.

ENGADGET: Chevy details 2014 Spark EV: under $25,000, 0-60 in 8 seconds and a 20-minute fast charge