dial n. 1.日晷 (= sun-dial)。 2.(钟表等的)针盘;(仪表等的)标度盘;(电话的)拨号盘。 3.矿用罗盘;航海罗盘。 4.〔俚语〕脸(盆)。 a radio dial 收音机刻度盘。 vt.,vi. (dial(l)ed; dial(l)ing) 拨(电话号码),打(自动电话);用矿用罗盘测量。 dial a radio 转动收音机的旋钮选收。
The communication technology of electric automatic system is discussed . it principally studies the technology of organizing nets , the communication technology of low pressure electric line and the technology of spread spectrum communication . it gives the project that power line carrier and direct sequence spread spectrum communication are combined with automatic dial - up passing modems for daqing automatic reading meter system 探讨了电力自动抄表系统的通信技术,重点研究了组网技术,低压电力线通信技术,扩频通信技术,提出了在大庆电力自动抄表系统中利用公众电话网通过调制解调器自动拨号、电力载波和无线直接序列扩频通信相结合的数据传输方案。