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Wi-fi operates on an unlicensed frequency, so it has to deal with interference from baby monitors and microwave ovens and cordless phones too. 无线信号以无证频率被使用，因此它必须要对付来自婴儿监视器，微波炉以及无绳电话的干扰。
He varied the transmission frequency. 他变换了无线电传送的频率。
unlicensed frequency 不需注册的频率
A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
The police are weeding out the unlicensed pedler. 警察正在取缔无证商贩。
One that operates an unlicensed, illegal television or radio station. 非法播放者未经允许而非法播放电视或广播的人
Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
The operation of an unlicensed, illegal radio or television station. 非法翻录，非法播放没有许可证，非法播放的电台或电视台
No unlicensed products were found. 没有找到没有许可证的产品。
A loan shark is an unlicensed lender. 放高利贷者是无执照贷款人。
We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
The unlicensed prostitutes were usually poor women. 旧社会的暗门子通常都是些可怜的女人。
This is to prevent unlicensed use of the software. 这是为了防止未经许可使用该软件。
Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
Of course, I am not an unlicensed taxi driver. 那是当然，我又不是黑心司机。
He tuned his radio to the police frequency. 他把无线电调到警方的频率。
The police officers are weeding out the unlicensed liquor sellers. 警察在取缔无证酒贩。
He bought a Saturday night special from an unlicensed dealer. 他从一个无照商人那里买到一把廉价手枪。
He manipulated the frequency dial of the radio. 他开始调拨频率键盘。
The operation of an unlicensed,illegal radio or television station. 非法翻录，非法播放没有许可证，非法播放的电台或电视台。