secs
📖 中文释义
- abbr. 半导体设备通信标准（SEMI Equipment Communication Standard）
🧩 词形变化
原形 sec
📘 English Definition（英文释义）
- n 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
- n ratio of the hypotenuse to the adjacent side of a right-angled triangle
- n an independent federal agency that oversees the exchange of securities to protect investors