The analysis uses two waves of data from the "National Longitudinal Study of Adolescent Health" and the "Adolescent Health Academic Achievement Study."

分析者从两组数据进行研究"纵向的研究全国范围内的青少年健康”和“青少年健康学术研究”

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Through the statistical data and the achievement of empirical study, the high system risk character of Chinese stock market and its high challenge for securities companies at present are revealed.

根据相关的统计数据和实证研究的成果，分析了我国股票市场高系统性风险的特性和现阶段券商所面临的严峻挑战。

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The data is managed difficultly because of the time of Qinghai-Tibet Highway is long, people changes many, the achievement and the data obtained widespread.

由于青藏公路的时间跨度较大，人员更替较多，获得的成果和数据广泛，在数据管理上形成了困难。

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He said that student-achievement data is only one component of the district's teacher-evaluation system, which relies heavily on principal observations.

WSJ: Seattle Teachers Protest Exams

Some of the teachers boycotting the test there say they aren't opposed to using student-achievement data in evaluations but are unhappy with the current exam.

WSJ: Seattle Teachers Protest Exams

The "Mona Lisa" experiment was transmitted at a slow data rate of about 300 bits per second, but the "pathfinding achievement sets the stage for ... high data rate laser-communication demonstrations that will be a central feature of NASA's next moon mission, the Lunar Atmosphere and Dust Environment Explorer, " said Goddard's Richard Vondrak, the orbiter's deputy project scientist.

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