您要查找的是不是：
- four wire telephone circuit 四线制电话线路
- Interference from one telegraph circuit to another telegraph circuit or into telephone circuits. 一条电报线路或电话线路对另一条电报线路或电话线路的干扰。
- A circuit arrangement for deriving a phantom circuit. In four wire circuits, the two wires associated with the "GO" channel form one "side circuit", and those associated with the "return" channel form another. 用来派生一个幻象电路的电路结构。在四线电路中，与“去程”通道相关联的两线就形成了一个“半边电路”, 而与“回程”通道相关联的两线构成了另一个“半边电路”。
- four wire voice frequency telephone repe 四线制话频电话中继器
- The internetphone costs much less than the wired telephone especially when you take the international long distance call. 网际网路电话的费用比有线电话少的多,尤其当你打国际长途时。
- To equip(a room or telephone circuit, for example) with a concealed electronic listening device. 装窃听器安装隐蔽的电子监听装置（例如在房屋里或电话线路上）
- A two wire SYSTEM then requires two twisted pair, and a four wire SYSTEM requires three twisted pair. 一个二线制系统两个双绞双绞线对，一个四线制系统需要三个双绞线对。
- To equip(a room or telephone circuit,for example) with a concealed electronic listening device. 装窃听器安装隐蔽的电子监听装置（例如在房屋里或电话线路上）
- INTEREST: 10000 PCS OF THREE PHASE FOUR WIRE LOW VOLTAGE KILO WATT HOUR METER (10/40) A. 我公司求购三相低压电表，有意者请与我们联系！
- Also interference with telephone circuit is reduced because of the absence of zero-sequence currents. 由于无零序电流,对电话线路干扰的影响也降低。
- It is widely interested how to construct an active power filter to suppress the harmonics in three phase four wire system. 三相四线制系统中如何使用有源电力滤波器来抑制线路中的谐波，这一问题越来越被人们所重视。
- The use of the four wire method and the photoelectric segregation technology raises the test precision and disturbance resistibility. 采用四线法和光隔技术，提高了测试精度和系统的抗干扰能力。
- The internetphone cost much less than the wired telephone especially when you take the international long distance call. 网际网路电话的费用比有线电话少的多，尤其当你打国际长途时。
- A data transmission device that connects a remote terminal to a telephone circuit and converts the signal of terminal into the signal of line or converts the signal transmitted from processing center into the signal of remote terminal. 一种数传设备，它把远程终端设备连到电话线上，并把终端的信号转换成线上传输的信号，或把处理中心传送来的信号转换成远程终端设备信号。
- In four wire circuits, the two wires associated with the"GO" channel form one"side circuit", and those associated with the"return" channel form another. 在四线电路中，与“去程”通道相关联的两线就形成了一个“半边电路”，而与“回程”通道相关联的两线构成了另一个“半边电路”。
- wire telephone installation section 有线电话设备分排
- In a telephone circuit controlled by an echo-suppressor,the inability of one or both subscribers to get through because of either excessive local circuit noise or continuous speech from one subscriber. 在回波抑制器控制的电话线路中，用户的一方或双方因为过量的局部线路噪音或对方连续说话而不能通话的情况。
- This paper analyses the reason that neutral current is not zero when linear three phase system load connects to three phase four wire system source in Y connection. The resolution is also given. 分析了线性三相对称负载Y联接在对称三相四线制电源时 ;中线电流不为零的原因 ;并给出了解决的方法 .
- In a telephone circuit controlled by an echo-suppressor, the inability of one or both subscribers to get through because of either excessive local circuit noise or continuous speech from one subscriber. 在回波抑制器控制的电话线路中，用户的一方或双方因为过量的局部线路噪音或对方连续说话而不能通话的情况。
- If you want to make phone calls while surfing the web, either use a wired telephone or cordless phone that operates at a different frequency than your wireless network. 如果在网上冲浪时想要打电话,请使用有线电话或工作频率与无线网络不同的无绳电话。
