但是，由于现代社会对通讯系统灵活机动的要求，传统的抛物面天线笨重、体积庞大的劣势已经日益显现。

However, according to the requirement of modern society for the flexibility of communication systems, parabolic antennas become get into trouble because of their traditional heavy, bulky structure.

youdao

但是，由于现代社会对通讯系统灵活机动的要求，传统的抛物面天线笨重、体积庞大的劣势已经日益显现。

However, according to the requirement of modern society for the flexibility of communication systems, parabolic antennas become get into trouble because of their traditional heavy, bulky structure.

youdao