wireless microphone

Standardization Work; the Backstage Management System; Hand-hold Terminal System PDA,; Wireless Microphone facility.

标准化作业；后台管理系统；手持终端系统PDA；无线扩音设备。

The system is composed of wearable computer, miniature stereo vision machine, wireless microphone and head mounted display.

系统由穿戴计算机、立体视觉机、无线麦克和头戴显示器四部分组成。

The recent Kickstarter project for Dash earbuds, a wireless pair of earphones made by a company called Bragi, already cram some biometric sensors, a microphone, Bluetooth, and 4GB of storage into a device meant to fit inside a user's ear.

比如布拉吉公司（Bragi）最近生产的一款Dash无线耳机小到可以塞进耳孔，却同时搭载了一些生物测量传感器、一个微型话筒、蓝牙装置和4GB的存储空间，真是麻雀虽小，五脏俱全。

A student in the examination hall used a wireless microphone to read out the questions and received the answers from the van, Xinhua quoted their confessions as saying.

考场一位学生对着无线麦克风读出题目，并从车上接收答案。新华社原引供词的话说。