What is needed is a system that USES low-frequency radio waves.
这需要的是一种利用低频无线电波的系统。
It is designed to detect the low-frequency radio pulses emitted by lightning strikes.
这一系统旨在感应雷击产生的低频射电脉冲。
Microwave ovens emit very-high-frequency radio waves which penetrate the food instantly.
微波炉会发出很高频率的无线电波，立即穿透食物。
Oh, I get it! Microwave ovens emit very-high-frequency radio waves which penetrate the food instantly.
喔，我懂了！微波炉会发出很高频率的无线电波，立即穿透食物。
Their gear includes satellite communication systems, high-frequency radio, long-range optical equipment.
他们的装备包括卫星通信系统，高频电台，远距离。
This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter.
这种高频交流电流产生前一章提到过的高频无线电波。
Military Intelligence Battalion's gear includes satellite communication systems, high-frequency radio, long-range optical equipment.
美军陆军军事情报营的装备包括卫星通信系统、高频电台、远距离光学仪器。
As we travelled, we used a high-frequency radio network to talk to the tribes as we approached, so we could ask their permission to come through.
我们在旅行中用高频无线电与当地部族联系，请求他们准许我们通过。
At present, hopping radio with its feature of strong anti-jamming ability and anti-intercept ability has replaced the traditional fixed-frequency radio.
目前跳频电台以其极强的抗干扰性和抗截获性取代了传统的固频电台。
Adopting high frequency radio wave to set fuze information on the outer trajectory, the information's anti-jamming in the setting process must be settled.
采用高频无线电波在外弹道上装定引信信息，必须解决信息在装定过程中的抗干扰。
A method of receiving radio paging signal in underground building is proposed, and a practical identical frequency radio paging repeater and its design are provided.
提出了解决地下建筑物内接收无线电寻呼信息的一种方法，并提供了一个实用的同频无线电寻呼中继器及其设计。
Ten years later Spencer patents a "radar range" that cooks with high-frequency radio waves; that same year, the Tappan Stove Co. introduces the first home microwave model.
10年后，Spencer申请高频无线电波的专利，同一年，塔班（Tappan）公司推出第一台家用型微波炉。
The terrestrial ionospheric plasma can be heated by a powerful ground-based high-frequency radio wave, which results in the disturbance of the electron temperature and density.
地面入射的大功率无线电波能加热电离层等离子体，引起电离层电子温度和密度的扰动，实现电离层的地面人工变态。
During a seven-day auction on eBay that ended on May 29, Novocin says he sold four items, including an X-Band Weather Radar Modulator for and a high-frequency radio circuit card for .
最后，经过七天的竞价，诺沃辛卖出了四件零件，包括以500美元的售价卖出一个雷达调节器和以32美元卖出一个高频无线电电路板。
Along with the rapid development of high frequency radio technology, predicting characteristics of radio propagation in complex environments has become an important research subject.
随着高频电磁波技术的迅猛发展，复杂环境下的电波传播特性预测已经成为一个重要的研究课题。
The organizations will use stream-computing technology to analyze data from sensors that track high-frequency radio waves, the Swedish Institute of Space Physics (IRF) said in a statement.
这两家研究机构组成的研究小组将使用流运算技术来分析高频电磁波传感器记录的数据。按照研究小组的说法：“明年，这项计划中每秒需要处理的数据量高达6GB，而每小时的数据量则多达21600GB,后者几乎是互联网上所有网页大小的总和。”
The other problem is that submarines receive messages using low-frequency radio waves that can penetrate water, but only a few characters per second can be transmitted at these frequencies.
另一个问题时潜艇在水下时用低频进行通信，因为低频可以穿透海水传播，但用低频通信时，通信速度只能每秒几个字符。
Their instruments detected very faint radio waves at a frequency of 3 kilohertz.
他们的仪器探测到了频率为3千赫的非常微弱的无线电波。
Regular repeating actions such as sound waves, light waves, or radio waves have a certain frequency, or number of waves per second.
有规律的重复活动如声波、光波、无线电波都有一个特定的频率，或者说是每秒的波动次数。
The cheapest way to increase capacity is to add more spectrum or to move a network to a lower frequency, which allows radio waves to penetrate walls more easily.
提高带宽容量最便宜的方法是增加更多频谱或是某个网络降低到更低的频率以使无线电波更容易穿透墙壁。
Radio frequency identification (RFID) and more sophisticated technologies for product tracking within supply chain management systems are being experimented in some countries.
一些国家目前正尝试在供应链管理系统内通过无线射频识别和更复杂的技术来追踪产品。
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。
But when scientists started looking at the data overlaid onto a map, they saw dark spots of fuzz, indicating radio frequency interference.
但当科学家们开始将这些数据分布在地图上观察时，他们发现了一些模糊的黑点，表示无线电频率的扰动。
The Enhanced Position Location Reporting System Extended Frequency (EPLRS-XF) radio enables more efficient communication in congested battlefield environments, Raytheon officials said.
雷声公司官员说，增强型定位报告系统频率扩展型(EPLRS - XF)电台可以在信号拥堵的战场环境中实现更有效的沟通。
Underlying the Internet of Things are technologies such as RFID (radio frequency identification), sensors, and smartphones.
物联网背后的技术包括RFID（无线射频识别），传感器和智能手机。
Scientists are mostly stumped as to how the radio frequency waves emitted by cellphones, which lack the punch to break chemical bonds or disrupt DNA, might cause cancer.
科学家们主要搞不懂的是，手机所释放的无线电波，连打断化学键或扰乱dna的冲击力都没有，又怎么可能导致癌症呢？
Scientists are mostly stumped as to how the radio frequency waves emitted by cellphones, which lack the punch to break chemical bonds or disrupt DNA, might cause cancer.
科学家们主要搞不懂的是，手机所释放的无线电波，连打断化学键或扰乱dna的冲击力都没有，又怎么可能导致癌症呢？
应用推荐