[名词解释] 棉花初花期

风机盘管加独立新风系统属于（）系统。 ["集中式","半集中式","全分散式","全空气式"] 盛花期 G4传真业务在（）信道中传输 ["A.模拟","B.MPDS","C.ISDN","D.电传"] 机房专用空调机的温度控制精度为（）℃。 ["+-0.5","+-1","+-1.5","+-2"] 棉花吐絮期 棉花初花期