density of color造句

• The radius of color screening in medium is in inverse proportion to the density of color charge and energy . when the radius of color screening is smaller than that of resonance state , strong interaction will decrease sharply and bound states ca n ' t exist
  因为介质中的色屏蔽半径反比于色荷密度和能量密度，当屏蔽半径比共振态尺度小时，强相互作用力会减小得很厉害，使得束缚态不可能存在。