up quark

up quark

美 　英

• 網絡上夸克

英漢解釋

n.	1. a quark with an electric charge of +2/3 and zero strangeness and charm

例句

In our universe, the down quark is about twice as heavy as the up quark, resulting in neutrons that are 0. 1 percent heavier than protons.

在我們的宇宙中，底夸克的質量大約是頂夸克的兩倍，造成中子比質子重大約0.