The radio frequency identify technique (RFID) and its applications were introduced in brief.

本文简要介绍了射频识别技术(RFID)及其应用范围。

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BAE Systems will develop a new radar warning receiver prototype that can identify radio frequency and communications activity in real time.

BAE系统公司将开发一种新型雷达预警接收机原型，该原型能实时识别无线电频率和通信活动。

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Smartphone frequency detectors and connected displays could identify that one point in the store is a "hotspot" where traffic tends to halt.

智能手机频率检测器和联系式商品展示可以识别店中某个地点是人流驻足的“热点”。

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So, it's up on this screen here now, so we'll work on the other one. If you can identify which of these statements is correct based on what you know about the relationship between frequency and wavelength and also just looking at the waves.

它们之间的关系,现在在大屏幕上了,鉴于你们知道,频率和波长的关系,看到这些波你们来,判断下这些说法是否正确。

麻省理工公开课 - 化学原理课程节选

The Securities and Exchange Commission (SEC) today adopted a new rule establishing large trader reporting requirements, in an effort to improve their ability to identify high-frequency trading by large market participants.

FORBES: New Large Trader Rules Adopted; SEC Hopes To Better Monitor High-Frequency Trading

According to Capita, who dispute the phrase "lie detector test", "VRA analyses, in real time, changes in voice frequency" which are then assessed by "trained operators" to identify possible bogus claimants.

BBC: Councillor resigns over 'lie detector' fears