欧拉计划(Project Euler)是一个解题网站,站内提供了一系列数学题供用户解答,解题的用户主要是对数学和计算机编程感兴趣的成年人及学生。
欧拉计划的题目难度不一,对于大多数人来说,解题就是一个逐渐学习的过程。
The problems range in difficulty and for many the experience is inductive chain learning.
欧拉计划的存在,是为了每个对数学感兴趣的人,鼓励他们,挑战他们,并最终培养他们的能力与乐趣。
Project Euler exists to encourage, challenge, and develop the skills and enjoyment of anyone with an interest in the fascinating world of mathematics.
沃尔什还表示欧盟应该作为全球计划的先驱,实行它的排放权交易计划,但不要尝试将非欧航空公司也拉这项计划,以免他们提出诉讼。
Walsh said the European Union should use its emissions trading scheme as a fore-runner for a global programme but not attempt to drag in non-EU airlines lest they take legal action.
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