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- 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”。
- This Recommendation provides a GDMO-based information model to support the management of the leased circuit service as outlined in Recommendation M.3208.1. 本建议提出了一个基于被管理对象定义指南(GDMO）的信息模型，该模型支持对在M.;3208
- 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。
- 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！
- 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。
- IPLC International Public Leased Circuit 国际公用出租线路
- 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”。
- leased circuit data transmission service [计] 租用线路数据传输服务
- Many multinational companies have their own internal communications networks through obtaining international private leased circuits from telecommunications operators. 许多跨国公司向电讯营办商租用国际专用线路,建立内部通讯网络。
- 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 .
- 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”。
- IVANS operators in Hong Kong provide a wide range of value-added services such as electronic mailbox,store-and-forward facsimile and electronic data interchange (EDI) over international private leased circuits(IPLCs) between Hong Kong and other places. 本港的国际增值网络服务营办商利用本港与其他地区之间的国际专用线路提供多种增值服务，其中包括电子邮箱、存储转发传真和电子数据联通。
- IVANS operators in Hong Kong provide a wide range of value-added services such as electronic mailbox, store-and-forward facsimile and electronic data interchange (EDI) over international private leased circuits(IPLCs) between Hong Kong and other places. 本港的国际增值网络服务营办商利用本港与其他地区之间的国际专用线路提供多种增值服务，其中包括电子邮箱、存储转发传真和电子数据联通。
- 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”。
- International private leased circuits are offered to several mainland gateway cities, while some operators provide roaming services to mobile phone and pager users when they are on the mainland. 香港亦为内地多个属于接口局的城市提供国际专线服务,而一些营办商则为其流动电话及传呼客户提供内地漫游服务。
- Coordinate with telecommunication carrier on the installation and/or relocation of all kinds of communication links including leased circuits, frame relay, dialup line and ADSL broadband, etc. 与电子通讯业者协调有关所有通讯联结的安装或迁移，包括租赁电路、讯框传送网路、拨接线路及ADSL宽频等等。
- The cable consists of four wires: two for data, one for power (+5 volts), and one for ground. 电缆由四电线所组成: 二为数据, 一为力量 (+5 伏特), 和他为地面。
- TDFW Three Dimensional Four Wire 四线三度重合磁芯存储器
- Phase four wire active power filter with one 基于单周控制的三相四线制有源电力滤波器
