Fdma
频分多路,频分多址
🗣️ 情景例句
And when I did,
就算我睡着了，
We would like to point out that delivery before Christmas is essential and hope you can offer us that guarantee.
我们想指出圣诞节前交货很重要并希望贵方能就此向我们作出保证。
What about you?
你呢？