提出“大学圈”的概念；并初步划分出与北京联合大学同“类”、同“型”的应用型大学的“大学圈”。对“应用型大学”这类新型大学的建设具有借鉴意义。

Those in the same group of applied universities as Beijing Union University are identified and their experience is of great value in the construction of this type of schools.

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大学城的学生可能还有另一种参与进阶数学的手段：数学圈。

Students in university towns may also have access to another lever for involvement in accelerated math: math circles.

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这个超弦理论的对头叫做“环圈量子重力学”，于1986年由宾西法尼亚州立大学的Abhay a shtekar提出。

Loop quantum gravity, as this rival is known, was dreamed up in 1986 by Abhay Ashtekar, of Pennsylvania State University.

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