Modulation technique is very meaningful for the digital data transmission efficiency.
调制技术对数据传输效率有重要的意义。
The invention can improve the data transmission efficiency during data management and lighten network loads.
本发明可以提高数据管理时的数据传输效率，减轻网络负载。
Multicast is an effective way to reduce network bandwidth consumption and increase data transmission efficiency of communication which in such applications has been widely used.
组播是一种可以有效减轻对网络带宽的消耗，提高数据传输效率的通信方式，因而在这类业务中得到了广泛的应用。
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