Considering the background of massless neutrino, probes into the effect of the background field on the gravitational field of a global cosmic string outside the core.
考虑静质量为零的中微子背景，探讨背景场对整体宇宙弦核外引力场的影响。
In the Fermi weak interaction theory and even in the electro-weak unification theory, the neutrino is looked as the massless particle.
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.
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。
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