As the only system using Time Division Duplex in the 3g system, it has some advantages over systems of Frequency Divsion Duplex.
作为3g系统中唯一一个使用时分双工的系统，它具备了许多频分双工系统所不具备的优点。
2
But this division did not work with the idea of the program, so we enlarged the first area by extending the wooden frame beyond the "natural" divsion of the space.