在费米弱作用理论乃至弱电统一理论中，都是把中微子当作无静止质量的粒子来处理的。
In the Fermi weak interaction theory and even in the electro-weak unification theory, the neutrino is looked as the massless particle.
这种介质称为以太，它是一种无所不在的，有无限弹性的，无质量的，不不能被感知的介质，在从前它被理论化为能运载光的介质。
This medium is called Ether, which is an omnipresent, boundlessly resilient, massless medium unable to be sensed that was formerly theorized as the medium that carried light.
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