And radio waves are common but not ubiquitous.

另外射频很常见，但是也是处处可见。

In theory, radio frequency interference from cell phones could affect certain airplane systems.

理论上，来自手机的射频干扰可能会影响某些飞机系统。

A fast radio burst, or FRB, is a kind of radio-frequency electromagnetic radiation.

快速射电暴，简称 FRB，是一种射频电磁辐射。

We detect the Drone primarily through radio frequency signals that are recognized by our sensors.

我们主要通过传感器识别的射频信号来探测无人机。

The California state senate recently passed a bill to offer driver's licenses embedded with radio-frequency ID chips.

加州参议院最近通过了一项法案，为民众提供内含无线射频识别芯片的驾照。

An echo? What about cardioversion or ablation? Won't I need a pacemaker or a permanent internal defibrillator?

超声波检查？干嘛来个心脏复律或是射频消融？我难道需要装一个起搏器或者是永久性的心内除颤仪？

These can print circuits for various components, including flexible display screens, sensors and antennae for radio-frequency security tags.

这些术能够为同的电子元件打印电路，包括柔性显示器、传感器和经安全认证的射频天线。

Unfortunately, some parts of the radio spectrum are full of signals created by Earthlings, rather than aliens.

幸的是，来自地球居民而是外星人的信号挤满了射频频谱的一部分。

Can we distribute radio-frequency tokens to identify people?

我们可以分发射频令牌来识别人吗？

The RFID chip can be read dozens of feet away without an individual's knowledge or consent, according to the ACLU.

根据国公民自由协会的说法，无线射频识别芯片可在几十英尺外无需个人知情或同意的情况下被读取。

RF generator, spectrum analyzer, logic analyzer, another logic analyzer.

射频发生器、频谱分析仪、逻辑分析仪、另一个逻辑分析仪。

Computers emit both – low-frequency and radio-frequency EMR. Experts around the world have classified EMR as a possible carcinogen for humans.

电脑会发出低频和射频电磁辐射。世界各地的专家已将电磁辐射归为致癌物。

But the police in the Netherlands managed to trace the wetsuit by an RFID chip that was sewn in the suit.

但荷兰警方试着去通过 缝在潜水服里面的一个无线射频芯片来追踪这身衣服。

As cell phones make and take calls, they emit low-level radio-frequency (RF) radiation.

当手机拨打和接听电话时，它们会发出低水平的射频 (RF) 辐射。

They're usually asymptomatic, but when they're a sign of an underlying disorder, treatment including a radiofrequency ablation may be necessary.

它们通常是无症状的，但当成为潜在疾病的体征时，包括射频消融在内的治疗就可能是有必要的了。

Now, President Mao Junfa is building a research platform the National Key Laboratory of Radiofrequency Heterogeneous Integration.

目前，毛俊发院长正在建设射频异构集成国家重点实验室研究平台。

In August 2012 two schools in San Antonio, Texas, embedded RFID tags in identity badges belonging to their 4, 200 students.

2012年8月，国德克萨斯州圣安东尼奥市的两所校在4200位生的校徽上嵌入了无线射频标签。

Bossa nova uses 2D and 3D cameras and multiple sensors to track items that have radio frequency identification tags and invisible barcodes.

波萨诺瓦使用2D、3D摄像机和多传感器跟踪具有无线射频识别标签和隐形条码的商品。

Let's start off with the simplest, RF wristbands, that receive a radio frequency communicating the precise timing and colors for each band.

让我们从最简单的射频腕带开始，它接收一个无线电频率，传达每个腕带的精确时间和颜色。

RF technology is what most other wearable LED companies use too, like Xylobands, who do everything from Eurovision to corporate events.

大多数其他可穿戴式 LED 公司也在使用射频术，比如 Xylobands，从欧洲歌唱大赛（Eurovision）到企业活动，他们的产品无所有。