Fdma
频分多路,频分多址
🗣️ 情景例句
I intend to major in economics in college.
我想在大学里主修经济学。
Laugh at your ills, And save doctors' bills.
生病不忧虑，节省医药费。
That was a long time ago,wasn't it?
那是好久以前的事了。是吗？