light velocity短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 光速 It is possible that ether exists according to symmetry of physical world and ether is virtual particle of super light velocity basing on the formula of restricted relative theory. 文章从物理世界的对称性论述了以太存在的可能性，并指出根据狭义相对论公式可以得出以太是超光速的虚粒子。 dictall