By discussing the local convergence and local continuous in locally convex Spaces, some new sufficient and essential conditions are given on C-locally sequential Spaces.

通过对局部凸空间中局部收敛与局部连续的讨论，给出了C -局部序列空间的一些新的充分必要条件。

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One of essential characteristics to the urbanization is urban economic spatial concentration or convergence, which academic circles and government departments can't know enough.

对城市化的一个本质特征——城市经济具有空间聚集状态和趋势，学术界和决策部门认识不足。 这一特征与经济系统运动有没有内在联系?。

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To enhance the speed of convergence in solving a steady flow field when a time marching method is used, it is essential to enlarge the CFL number.

要提高用时间相关法求解定常流场的收敛速度，就必须加大CFL数。

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The convergence of media and technology may be essential for both industries, but nobody has tried to bring both together under the same corporate roof with quite so much daring.

ECONOMIST: Internet riders