bare quark造句

例句与造句

1. In order to avoid two bare quarks, each of the quarks gets paired up with another quark, giving a universe of two mesons.
2. A top quark, however, has a mean lifetime of 5?0  " 25 seconds, which is shorter than the time scale at which the strong force of QCD acts, so a top quark decays before it can hadronize, allowing physicists to observe a " bare quark . " Thus, they have not been observed as components of any observed hadron, while all other quarks have been observed only as components of hadrons.
3. It's difficult to find bare quark in a sentence. 用bare quark造句挺难的