The result shows that sport talent is the main factor promoting the continuous evolution and progress of sport ecologic system. Sport population is the main body deciding systemic energy flow.

结论认为，体育人才是促进体育生态系统不断进化和跃升的主要因素，体育人口是决定系统能量流的主体；

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The thesis take law and economics as background, expound the evolution of law economics, make clear the core value of law economics and the principle of law analysis, and systemic sum up them.

文章以法学和经济学基础为背景，阐述了法律经济学的沿革，明确法律经济学的核心价值及法律经济分析的原则，并进行了系统的归纳。

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Competition allows evolution, and unplanned systemic progress.

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Is this slowdown due to a systemic, permanent shift (like the evolution of digital music or the e-book) or is the industry simply mimicking the overall business cycle (after all, job growth is down in many sectors of the economy today)?

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