Obcs
abbr. object based control structure 基于对象的控制结构
🗣️ 情景例句
Oh, well, really ...
噢 哦 真的……
Don't pay me.
不要付给我。
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段，即每秒1420兆周的精确无线电频率。