A board that mechanically supports and electrically connects components

• Used in electronics to mount and route circuitry

支撑并电连接电子元件的基板

• 用于安装与布线电路

A group of persistent, toxic industrial chemicals

• Formerly used as coolants and insulating fluids

一类持久性、具有毒性的工业化学品

• 过去用于冷却剂和绝缘液

OS data structure describing and managing a running program

• Stores state, resources, and scheduling information

操作系统用于描述和管理正在运行程序的数据结构

• 存储状态、资源和调度信息

A bit whose state can be altered by physical means

• Concept in storage or hardware-level security

可通过物理方式改变状态的比特

• 与存储或硬件级安全相关的概念

The governing body for cricket in Pakistan

• Oversees domestic and international cricket operations

巴基斯坦板球运动的管理机构

• 负责国内外板球事务

Message abbreviation meaning please return the phone call

• Used in voicemails, texts, or pages

信息缩写：请回电

• 常见于语音留言、短信或通知