The intersection of phosphor powder and the intersection of particle and irregularity that prepare its , exchange reunion , the intersection of dispersiveness and shortcoming such as being poor .
但由于其制备的荧光粉颗粒不均匀、易团聚、分散性差等缺点。
According to information economy theory , the key of constructing the controlling system of government information are the contradictions between openness and secrecy , dispersiveness and wholeness , commonweal and commerciality .
