Building the experiment system based on the SDD and validating the feasibility on large scale documents and "two theme shift" model.

构建了基于SDD算法的中文农业信息检索实验系统，验证大规模文档集下sdd算法的可行性和“二次主题漂移”模式的可行性。

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The FDP plan would mark a decided shift toward a "two-class health-care system, " warns Gerd Glaeske, director of health economics and policy at the University of Bremen's Center for Social Policy Research.

WSJ: Germany Strains to Fund Health Care for All

The balance of power in women's basketball, once a two-party system with Connecticut and Tennessee, had begun to shift recently.

WSJ: University of Connecticut Huskies Back On Top With 93-60 Win Over University of Louisville Cardinals