It doesn t mean that the up quark has any " up " property 这些只是名字,例如上夸克没有甚么上的性质。
Proton is , in turn , made up of two up quarks and one down quark . neutron is made up of two down quarks and one up quark 质子的内部是三粒夸克:两粒上夸克和一粒下夸克uud中子的内部也是三粒夸克:一粒上夸克和两粒下夸克udd 。
up quarkとは意味:アップクォーク◆【略】u quark up quark meaning: Noun: up quark A stable quark with an electric charge of +2/3 and a mass 607 times that of an electron Derived forms: up quarks Type of: quark Encyclopedia: Up quark up quark artinya:kuark upup quark 뜻:위 쿼크up quark перевод:верхний кварк