耀斑等离子体流的这种东、西不对称性流动的可能起因也作了讨论。

The possible cause of such an east-west asymmetry of flow of flare-plasma is also discussed.

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图1：轴位的平扫ct显示对称性的低密度影在颞枕叶脑白质区，需要注意的是病变累及胼胝体的压部。

Figure 1: Axial non contrast CT demonstrates symmetric low attenuation in the temporal-parietal white matter. Note involvement of the splenium of the corpus callosum (red arrows).

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由于光纤和轴向偏振光的中心对称性，利用轴向偏振光更能有效的激发表面等离子体，从而提高传感特性。

Because of the rotational symmetry of fiber and RPB, surface plasmon can be excited more efficiently at the sensor surface, which results in an obvious improvement of the sensitivity.

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