As the CAB's main security items, the door not only act on the work of convenient, safe, rainproofness, dust-proof for passengers, but also is very important project for decorative appearance.

车门作为车身的主要保安项，不仅起到工作方便、安全、防雨、防尘、降噪等作用，对外观的装饰作用也是十分重要。

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It can be hard to identify which parcels are carrying crucial items such as Social Security checks, but USPS and UPS try their best to prioritize sensitive material.

虽然很难辨别哪些包裹里装的是社会保障支票等重要物品，但美国邮政（USPS）和联合包裹服务公司（UPS）会尽其所能优先处理敏感材料。

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To address this requirement, the security service should address the following items.

为了处理这个需求，安全服务应该处理下面的事项。

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Such items are prohibited under the latest United Nations Security Council resolution passed after North Korea's nuclear test last month.

VOA: standard.2009.06.22

On a given week, May says, he or his ATA lieutenants interact with the departments of Commerce, State, Treasury and Homeland Security on items as broad as the Western Hemisphere Travel Initiative to minutiae on the environmental aspects of de-icing fluid.

FORBES: The Airlines' Captain In Washington

He said it would improve screening efficiency and allow security to focus on items that pose more serious threats to aviation.

CNN: U.S. to keep restriction on small knives on planes for now

So, while politicians may suggest prosperity was the key to recent falling crime, others continue to put it down to improved home security or simply that items like electronic goods became so cheap they were no longer worth pinching.

BBC: What's the price of DVD players got to do with crime?