Yet in Davos, the developed world had lost the optimism of that heady time. The financial crash has left it pessimistic, groping for a way forward.
但是在达沃斯，发达国家没有了往昔全盛时代的乐观情绪，金融风暴使得发达国家垂头丧气，不知道前边路在何方。
The defects of the traditional ways in computer experiment teaching are analyzed and some groping ways of improving are put forward.
分析了传统计算机实验教学的不足，提出了提高计算机实验教学质量的一些探索性教学方法。
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