您要查找的是不是：
- random telephone signal 随机电话
- We are using this transistor to amplify a telephone signal. 我们正在使用这种晶体管来放大电话信号。
- Our random telephone interviews began at 6 p.m. on that day, involving nearly 40 interviewers and staffs. 随机抽样电话访问于黄昏6时开始，动员接近40名访员及其他工作人员。
- In technical terms, the computer signal is "digital", and the telephone signal is "analog". 用专业术语来说，计算机信号是“数字的”，而电话信号则是“模拟的”。
- As a reliable transport protocol, RUDP networks for the transmission of IP telephone signal. 作为一个可靠传输协议， RUDP 用于传输 IP 网络间的电话信号。
- SIP is an IP telephone signaling protocol proposed by IETF. SIP是由IETF提出的IP电话信令协议。
- As a reliable transmission protocol, RUDP IP network for transmission of telephone signals. 作为一个可靠传输协议，RUDP用于传输IP网络间的电话信号。
- In 1964 a group of 17 countries set up an organization for sending telephone signals by satellite. Their first satellite was called Early Bird. 在1964年，17国集团成立了一个通过卫星传送电话信号的组织。他们的第一颗卫星叫“晨鸟”号。
- Soiled dishes were piled at random. 脏碟子胡乱地堆放着。
- To use a dial-up connection , you need a hardware device to convert computer signals to telephone signals and back a gain. 为了能使用拨号连接，你需要一个能把计算机信号和电话信号相互转换的硬件装置。
- To use a dial-up connection, you need a hardware device to convert computer signals to telephone signals and back a gain. 为了能使用拨号连接，则需要一个能把计算机信号和电话信号相互转换的硬件装置。
- Dual-tone multi-frequency (DTMF) signalling was originally designed for telephone signalling over high quality voice telephone lines. 双音多频编码（DTMF）技术最早用于高质量语音电话线路上的电话编码，现广泛用于控制和数据通信系统。
- push-button telephone signal receiving circuit 按钮话机信号接收电路
- Radio Telephone Signal Procedure 无线电信号规程
- telegraph telephone signal convertor 电报电话信号变换器
- A kite dangles from a telephone wire. 一只风筝悬挂在电话线上晃来晃去。
- Let me note down your address and telephone number. 让我记下你的地址和电话号码。
- The librarian took a book at random from the shelf. 图书管理员从书架上随便拿了一本书。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- He banged into a telephone booth and hurt his leg. 他撞在了一个电话亭上，伤了腿。
