History teaching; Demand; Ego realization; Ability demonstration.

历史教学；需要；自我实现；能力展示。

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In addition, cloud computing, big data to enhance the ability of engineering technology development and application demonstration project was listed as a key project.

此外，云计算能力提升工程、大数据技术研发和应用示范工程等被列为重点工程。

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A second demonstration Tuesday showed the ability of dolphins and sea lions to act together to detect and neutralize an enemy diver in waters around the ports of the San Francisco Bay.

第二个星期二示范表明，海豚和海狮一起采取行动的能力来检测和消除围绕旧金山湾水域的港口，在敌人的潜水员。

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"This is a clear demonstration of ZTE's ability to quickly develop, and bring to market, market-leading devices running the industry's latest technologies, " said Mr. He Shiyou, ZTE EVP and Head of the Terminal Division.

ENGADGET: ZTE to ship some of the first Tegra 4 phones by mid-2013

But after all, the match was merely a demonstration, albeit a first-of-its-kind demonstration, of a computer's ability to simulate human thought and reason.

FORBES: Magazine Article

We are confident that our upcoming Mexican 1000 capabilities demonstration will generate future battery sponsorship to allow the ability to 'hot swap' multiple battery packs andcomplete entire races in the near future.

ENGADGET: SRI EV1 brings all-electric racing to the Mexican 1000 rally (video)