The modern university is the ideal environment for the creation and transfer of knowledge that drives national competitiveness in an increasingly global era. Its most effective form is the American adaptation of the European model, in which teaching, leaning and research are integrated into a single institution. Indeed, the American university has proved capable of almost anything, from developing advanced economic theories to creating new life forms.
Many national leaders understand that the university is the critical catalyst for America’s adaptability, economic robustness and emergence as a great power. And they are moving aggressively to catch up. The universities created by emerging economies beginning in the 1990s and through 2020 will likely play a decisive role in reshaping the global balance of economic power.
That is bad news for the United States. The past two decades of American university development have been characterized largely by self-satis
A. Providing wider opportunities of education for oversea students
B. Elevating the science and technology level of the whole country
C. Focusing on the position of science and technology innovation leader
D. Creating a culture of appreciation of science and technology
设一个包含N个顶点、E条边的简单有向图采用邻接矩阵存储结构(矩阵元素A[i][j]等于1/0分别表示顶点i与顶点j之间有/无弧)，则该矩阵的元素数目为 (58) ，其中非零元素数目为 (59) 。
（59）处填（）。我来回答:
