Earlier this year, the principal put in a new security system.

今年早些时候，校长使用了一种新的安全系统。

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Biden stressed that the new missile defense system would provide more security for the United States and the North Atlantic Treaty Organization,or NATO.

VOA: standard.2009.10.23

Key to his platform were a flat tax, medical savings accounts, a new Social Security system for working Americans, parental choice of schools for their children, term limits and a strong national defense.

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Secretary Rumsfeld proposes to draw on this experience, the recommendations of numerous independent review panels and the insights he and others have garnered in the business sector, to devise a new National Security Personnel System.

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Russia expressed plans for a new system of European security and I believe this would be important to consider today.

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