collective act集体行为collectiveadj.集体的；共同的n.集体collective hamlet morphology聚落形态collective recrystallization聚集再结晶collective ownership of land土地集体所有制Collective Dance of Red Army红军战士集体舞collective wage consultation工资集体协商collective bargaining policy[经] (劳资)集体谈判政策collective routing indicator集体路指collective open sales system集体公开销售制度collective-unconsciousness集体无意识Collective Protective System集体防护系统

1. In the multitudinous high piano educational models, the research of collective digital piano class has the important significance.
   由此，在众多的高师刚琴教学模式中，研究数码钢琴集体课教学，具有时代意义。