down quark
短语（粒子）下夸克
词形变化
down quarks
复数
down quarks
释义与例句
n.
-
1.
A quark having a fractional electric charge of -1/3 and a mass of about 4 to 8 MeV.
物理 -
2.
A quark having a fractional electric charge of -1/3 and a mass of about 4 to 8 MeV. Symbol: d
Symbol: d
物理