This paper mainly discusses the mathematical basis of MHD Foils and whether the two dimensional wing theory still will be effective.

本文讨论了磁流体翼的数学基础，即二维机翼理论在磁流体翼中适用的条件。

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The necessary conditions that must be satisfied by the electromagnetic field when the two dimensional wing theory works were obtained.

本文得到了要使二维机翼理论成立电磁场所要满足的必要条件。

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A simple nonlinear wing theory for the low-aspect-ratio rectangular flat plate with large Angle of attack in incompressible flow is developed.

本文系对不可压缩流体中大冲角小展弦比矩形平板机翼提出—个简单的非线性理论。

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The right-wing conspiracy theory turns what should be a weakness into a strength: the more the prime minister is prosecuted, the more he seems persecuted.

ECONOMIST: Silvio Berlusconi's troubles

Mr Reagan supported his religious right wing, at least in theory, but as a buttress, from the outside.

ECONOMIST: The Reagan legacy