Dfas
abbr. dark field alignment system 暗场对准系统; distributed financial accounting system 分布式财务会计系统; distributed frame alignment signal 分布式帧定位[同步]信号
🗣️ 情景例句
Who's going to be there?
有谁要参加？
The telepnone is out of order.
这电话出毛病了。
I'm afraid that I can't.
恐怕不行。