| 释义 |
up quark 释义 [高能] 上夸克 例句 1·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. 在我们的宇宙中,底夸克的质量大约是顶夸克的两倍,造成中子比质子重大约0.1%。 2·Jaffe and his colleagues modeled one family of universes in which the down quark was lighter than the up quark , and protons were up to a percent heavier than neutrons. Jaffe和他的同事建立了一个类型的宇宙,其中底夸克比顶夸克轻,而质子比中子重1%。 3·This first recorded particle is a meson composed of an anti-beauty quark – the beauty quark's antiparticle – and an up quark – one of the two common quarks that make up protons and neutrons. 这次实验,第一次记录下来的是一个介子,它是由一个反美夸克( 美夸克的反粒子)和一个上夸克(组成质子和中子的普通夸克之一)所组成。
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