This new type of brushless double-feed machines rotor is designed by pole-changing method.

这种新型的无刷双馈电机转子采用变极原理设计。

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Through theoretical analysis and numerical simulation, the pattern reconfigurable feasibility of the structures of butterfly, folded dipole and double-feed is analyzed.

本文通过理论分析和软件数值仿真，分析了蝶形结构、折合偶极子结构以及双馈方式实现方向图可重构的可行性。

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Prior to Mincemeat, they had created a network of fictitious double agents to feed misinformation to the Nazis.

BBC: Operation Mincemeat: How a dead tramp fooled Hitler

And given that the krill (tiny crustaceans) that penguins feed on are also dependent on the ice for their own existence (they feed on algae on the ice) - some colonies affected by eroded floes could face a double-whammy of high fledgling mortality and restricted food resources.

BBC: Emperor penguins counted from space