Technology has become central to fighting disease, distributing food, improving education, and Apple should be a leader.

技术在很多领域已经起到核心作用，如：战胜疾病、分配食物、改善教育等。 苹果在这些领域都应担当领头羊的角色。

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In a leader, installed in the upper crossbeam gabion stone kg, plus kg load under the action of external load, while the central beam bending deformation, but the wire cage has not broken beam.

在一组长，内装公斤块石的铅丝笼横梁上部，加上公斤的荷重，在外荷作用下，梁的中部虽然发生弯曲变形，但铅丝笼梁却始终未断裂破坏。

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A giant image of Libyan leader Moammar Gadhafi is unveiled at Green Square in central Tripoli.

在的黎波里市中心的绿化广场，利比亚领导人卡扎菲的巨幅画像揭幕。

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Groups exhibiting swarm intelligence have no central leader but rather members interact with each other based solely on information they have locally.

FORBES: SAPVoice: Swarm Intelligence: How The Behavior Of Ants Can Be Used To Improve Everything We Do.

Outside of France, Mr. Sarkozy has cast himself as a central leader in tackling a host of emergencies, from the global financial crisis to the euro sovereign-debt disorder and the war in Libya.

WSJ: Sarkozy Fights for Survival

The move by Weber now leaves the opening in the European Central Bank to be taken by a central bank leader from another eurozone nation.

FORBES: Weber Out: Now We Watch The Euro