借鉴多层环路系统已有研究成果，归纳其形成机理。
Drawing lessons from available research achievement, the induction is presented about the mechanism of multi-ring roads development.
宽带用户环路系统将为可视电话、视频娱乐节目等业务提供通路。
The wideband subscriber loop system provides access to services such as picturephone, video entertainment.
这些宽带用户环路系统将可视电话，视频娱乐节目等业务提供通路。
These wideband subscriber loop systems would provide access to services such as picturephone, video entertainment.
这些宽带用户环路系统将为可视电话、视频娱乐节目等业务提供通路。
These wideband subscriber loop systems would provide access to services such as picturephone and video entertainment.
这些宽带用户环路系统将为可视电话、视频娱乐节目等业务提供通路。
These wideband subscriber loop systems would provide access to services such as picture-phone, video entertainment.
国内华为、中兴、大唐公司和国外许多公司都开发了自己的无线本地环路系统。
Domestic companies like Huawei, Zhongxing and Datang as well as many overseas companies have developed their own WLL systems.
APDH光纤环路系统具有容量适中、一步复用、自愈保护和网管功能完善等优点。
The APDH system has the advantages of moderate capacity, self-healing loop network, one step multiplexer and perfect network management.
无线本地环路系统是近年来兴起的接入系统之一，它具有许多有线系统所没有的优点。
The wireless local loop system is one of tbe access systems that have emerged these years, and has many advantages lacking in other cable systems.
介绍了ZY 47型自力式压差控制阀的工作原理和选型方法，分析了不同被控环路系统的适用条件。
Introduces the working principle and the method of the selection about the type ZY47 Valve controlled by the pressure difference, and analyses its adaption condition.
无线本地环路系统具有规划简单、安装方便、开通迅速、使用安全可靠等特点，有利于向个人化和宽带化发展。
The wireless local loop system features simple planning, easy installation, rapid provisioning and high reliability and facilitates the evolution towards personal and broadband services.
建立该项目的系统动态模型，包括因果环路图和控制方程。
Build a system dynamics model of the project including causal loop diagrams and governing equations.
在负载的测试系统中，很容易形成接地环路。
本文提出的系统尤其适合于固定无线系统和数字用户环路（DSL）。
The proposed system is of particular interest for fixed wireless systems and digital subscriber loops (DSL).
在接地信号源RSE测量系统中引入接地环路会导致所测的信号源电压值产生误差。
The hazard of using an RSE system with a grounded signal source is the introduction of ground loops, a possible source of measurement error.
相位相干通信系统中，通常采用锁相环路来产生相干参考信号。
In phase-coherent communication system, phase-locked loop is always used to yield coherent reference signal.
第二，研究者对语音环路和中央执行系统的作用进行了较深入的研究，但常常忽略视空间模板的作用；
Secondly, researchers paid more attention to the role of phonological loop and central executive system, and the role of visual-spatial sketch pad were often overlooked.
传统的互动电视系统依赖昂贵的硬件、专用格式和端到端的封闭环路，这大大限制了电视服务的可扩展性。
Traditional interactive TV systems depend on expensive hardware, proprietary formats, and a closed-loop end-to-end approach, which greatly limits scalability and extensibility of TV services.
该系统为闭式环路冷却水系统，用于汽机及锅炉辅机。
This system is the closed cycle cooling water system applicable for turbine and boiler's auxiliary machines.
本文分析了数字锁相环路的寄生频偏，它是现代通讯系统中频率合成器的重要指标之一。
This paper gives an analysis of parasitic frequency deviation in the digital phase locked loop, which is one of the important specifications of modern communication systems.
使用正交模拟锁相环路对无载波的脉冲无线电系统实现多径捕获和同步提取。
The orthogonal analog phase lock loop is used to get the timing information of the impulse radio system and the multi-path component separation.
深入地研究了单环路封闭式行星齿轮传动系统的动态特性；
The dynamic behaviors of encased differential gear train had been systematically re- searched.
接口：站与网络间的接口，在电话系统中称为本地环路。
Interfaces: the interfaces between the stations and the network, referred to in the phone system as the local loops.
对基于调相谱检测技术r -FOG系统中的环路频率锁定技术进行了研究。
Loop frequency locking technique in phase modulation spectroscope technique R-FOG system has been researched.
利用环路积分的方法求解动量方程，进一步求得系统的体积流量。
System volume flux was gained by loop integral the momentum equation.
给出了水系统次不利环路概念。
Puts forwards the concept of the second worst loop of water systems.
并在此基础上研究了环路的抑制能力及系统的工作效率等因素。
On the basis of this, the cancellation performance of loop and the efficiency of the system are studied.
实现实际转子磁链定向矢量控制系统的关键是磁链模型的计算精度和环路PI调节器的正确整定。
The key to realize a practical rotor field oriented vector control system of inductive motor is both the calculative precision of flux model and the adjusting of PI regulator.
提出闭式环路水源热泵空调系统运行能耗的计算机动态模拟评价方法。
This paper presents a method, in which the computer dynamic simulation is used, to evaluate the energy use of WLHP (water loop heat pump) system.
信息分发系统，该信息分发系统中应用的终端设备，记录程序的记录介质以及环路连接避免方法。
Information distribution system, terminal apparatus used in such system, recording medium on which program is recorded, and loop connection avoidance method.
信息分发系统，该信息分发系统中应用的终端设备，记录程序的记录介质以及环路连接避免方法。
Information distribution system, terminal apparatus used in such system, recording medium on which program is recorded, and loop connection avoidance method.
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