The functional precondition of cognition for figurative image remains an isomorphic relation of image between the parabolic objects and noumena.

比喻的意象认知功能的前提，就是意象性喻体与本体所具有的同构关系。

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Vector expression is adopted in analyzing the relation between off-axis parabolic parameters and collimation property.

采用矢量的方法，分析了离轴量等参量和准直性能之间的关系。

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It is shown that if the system possesses the parabolic dispersion relation in the absence of the spin-orbit coupling, the SU (2) spin conductivity still vanishes even without the impurities.

结果表明，当不计入自旋轨道耦合时，如果系统具有平方色散关系，那么即使没有杂质存在，该系统的SU(2)自旋电导率也依然为零。

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