The telegraph, the telephone, and radio were the obvious predecessors of the Internet, iPods, and mobile phones.
电报、电话和无线电显然是互联网、iPods 和移动电话的前身。
But a study by Japan’s four mobile telephone operators found no evidence that radio waves from the phones harmed cells or DNA.
而日本四大手机运营商所做的一项研究报告却发现，没有证据表明来自手机的无线电波会对人体细胞或者脱氧核糖核酸(DNA)造成损害。
The cellular digital packet data (CDPD) is a system which borrows idle radio channels from the existing cellular mobile telephone networks for packet data transmission.
蜂窝数字分组数据(CDPD)是利用现有的模拟蜂窝电话网来传输数据的一种新技术。
A person trained in this field may need to know how to set up and maintain telephone equipment, voicemail systems, fiber optic and microwave communication links, as well as mobile radio equipment.
在这个方面受过训练的人可能要知道如何和维护电话设备、语音信箱系统、光纤和微波通信线路，以及移动通信设备。
As recently as 1976, radio telephone providers in New York City could handle only 545 mobile telephone customers at a time-an absurdly small number by current standards.
以1976年来说，纽约市的无线电话业者一次只能处理545个行动电话用户，从今天的标准来看，这数目少得可笑。
The progress on the study of radio frequency radiation from mobile telephone influence on the central nervous system and the study matter and resolvent are discussed in the article.
本文综述了近年来有关射频辐射对中枢神经系统影响的研究结果，并指出目前研究存在的问题及将来可能的研究方向。
I was riding in the so-called White House press "pool" car, a telephone company vehicle equipped with a mobile radio-telephone.
我坐在所谓白宫记者专车里。这是电话公司的汽车，装有机动无线电话。
I was riding in the so-called White House press "pool" car, a telephone company vehicle equipped with a mobile radio-telephone.
我坐在所谓白宫记者专车里。这是电话公司的汽车，装有机动无线电话。
应用推荐