Operational announcing system
[计] 操作通知系统
🧩 词语组成解析
v. 宣布；发表；通告（announce的ing形式）
🗣️ 情景例句
I can only stay a few minutes.
我只能停留几分钟。
All produets have to go through five checks in the whole process.
所有产品在整个生产过程中得通过五道质量检查关。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。