The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.

采用基于等离子体物理模型的时域有限差分方法模拟了金属薄膜近场成像特性；采用薄膜传输矩阵方法计算了金属薄膜对倏逝波分量的放大作用。

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Although the difference is little in principle between airplane imaging and ship imaging, the pose variation of ship is more complicate for the fluctuation of sea, so it need to be studied specially.

虽然舰船成像与飞机成像在基本原理上没有区别，但由于海水的波动，使舰船的姿态变化比较复杂，有必要作专门的研究。

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The difference between arrival at an emergency department and brain imaging was also shorter for those arriving by ambulance.

对于那些搭乘救护车和到达急诊科的患者对比，脑功能成像前者是短的。

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"One patch is about 25% brighter than the rest of the asteroid, and that's a very large difference from the materials you expect to find on the surface, " says Dr Mark Robinson, a Near imaging team member from Northwestern University.

BBC: Eros is 'no ordinary rock'