无线电频率

She used a cell phone several hours each day, and the room in which she worked contained transmitters that emitted radio-frequency radiation, she said.

她用手机几个小时，每天的房间内，她载发射机发出的无线电频率辐射，她说。

This depends on the precise radio-frequency of the 21-cm wavelength,or 1420 megacycles per second.

这种通讯联系要靠21厘米的波段，即每秒1420兆周的精确无线电频率。

A pivotable and retractable antenna contains mechanical and electrical components for connecting to, and matching the impedance of, radio frequency circuitry within an electronic device, such as a radiotelephone.

一种可转动及可收缩的天线包括用于在电子装置、如无线电话内与无线电频率电路连接及阻抗匹配的机械及电装置。

Three years on, however, radio frequency has proved to be a bit of a damp squib.

3年，不过，无线电频率已被证明是一点潮湿的点火。

In 2005, a group of MIT students conducted a formal study using aluminum foil and radio signals. Their surprising finding: Tinfoil hats may actually amplify radio frequency signals.

2005年，一群麻省理工学生用锡箔和无线电信号进行了正式研究，他们惊讶地发现：锡帽实际上可能放大无线电频率信号。

In 2005, a group of MIT students conducted a formal studyusing aluminum foil and radio signals. Their surprising finding:Tinfoil hats may actually amplify radio frequency signals.

2005年，一群麻省理工学生用锡箔和无线电信号进行了正式研究，他们惊讶地发现：锡帽实际上可能放大无线电频率信号。

A domelike shell transparent to radio-frequency radiation, used to house a radar antenna.

雷达天线罩有顶构造，可以让无线电频率辐射穿过，用于隐蔽雷达天线

The technique introduces nano-sized cobalt particles encased in graphitic carbon layers inside the cells and thermally activates them by using radio frequency radiation.

这项技术引入纳米钴粒子包裹的石墨碳层内的细胞和热激活他们利用无线电频率辐射。

Radio wave frequencies which Contain huge economic values are unproducible resources.

无线电频率是一种不可再生的资源，同时也蕴含着巨大的经济价值。

Radio frequencies have become a basic resource for the development of the information society.

无线电频率已成为一个基本的资源，为信息社会的发展。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。