必须有多数国家赞成——在345张总票数中至少获得255票——并且会员国可以要求赞成的大多数国家到少代表欧盟62%的人口。

There has to be a majority of countries in favour - a minimum of 255 out of a total of 345 votes - and member states can demand that the majority represents at least 62% of the EU's population.

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邓肯-张模型由于试验参数少，其物理意义明确，在很多理论计算、设计和实际工程中仍然广泛运用。

Duncan Zhang model, which has several parameters with definite physical meaning, is widely applied in theoretical calculation, design, and actual projects.

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