彩色电视广播覆盖网技术规定: technical specifications for coverage networks of colour tv broadcasting
顺序: 1.(次序) plain sequence; subsequence; order; sequence; succession2.(顺着次序) in proper order; in turn 短语和例子按字母顺序排列 in alphabetical order; 文物按年代顺序展出。 the cultural relics are displayed in chronol