When did open admissions begin within the university system in the United State?
美国的大学是从什么时候开始纳人免试人学制的？
State Key Laboratory of Intelligent Technology and System, Department of Automation, Qinghua University; 2.
清华大学自动化系智能技术与系统国家重点实验室；
State Key Laboratory of Intelligent Technology and System, Department of Automation, Qinghua University; 2.
清华大学自动化系智能技术与系统国家重点实验室；
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