Seds
abbr. system effectiveness data system 系统效能数据系统; sequential dual-scanning system 顺序双扫描系统; support equipment data system 支援设备数据系统; space electronic detection system 空间电子探测系统
🗣️ 情景例句
are important for the sales of your book.
对于你这本书的销售很重要。
Have you washed any cars?
你洗车吗？
I'm not sure that this conference is as good as last year's.
我确信这次会议不如去年的会议精彩。