destination coding meaning in Chinese

按目的地编码

National destination code
国内目的地代码
With the destination code analysis , it has been found that the 6975 bureau to the urban volume ( one way ) is 540erl , the 6977 bureau to the urban volume ( one way ) is 480erl , and the 6178 bureau nearly 200erl , plus the urban voice traffic volume of the incoming calls , the 6973 bureau and the 6970 bureau has tandemed the voice traffic volume nearly 1000erl . this has increased the auxiliary tandem office voice load , and at the same time , increased the demand for the trunking lines and has made pressure on the trunk module of the areas and counties
经目的码分析， 6975局到市内的话务量（单向）为540erl ， 6977局到市内的话务量（单向）为480erl ， 6178局到市内的话务量（单向）将近200erl ，再加上市内来话的话务量，使6973局和6970局为其他局转接的话务量将近1000erl ，大大增加了辅助汇接局转接的话务负荷，同时，端局到区、县中心局，区、县中心局到汇接局的中继数量需求大，造成了区、县中心局中继模块紧张的状况。