rotational symmetry短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 轴向对称,旋转对称 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. 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。 doi