本文还介绍了虚拟仪器的概念、构成和特点等，并简单介绍它的应用。
The paper briefly introduces the concept, constitutes, appliance and characteristic of Virtual Instruments.
由于地理和人口构成等因素，该县汉语方言具有混合型语言的特点。
Due to factors like geography and population composition, the dialects in this county are characteristic of a blending-mode language.
通过对铁矿山机修系统的工作性质、工艺特点和成本构成等的分析，揭示了目标成本管理在矿山机修的成本管理中推广应用的重要意义。
Through analysis of work nature, process features and cost composition, the important significance of target cost management to maintenance system of iron mine is narrated.
对DWDM技术的概念、系统构成、特点和支撑技术，以及测试、应用等做了全面的综述。
The comprehensive summary was made to the concept, system configuration, features, supporting technology, testing and application of DWDM in the article.
文中阐述了系统的工作原理、构成及特点、监测功能和监测实例等。
The practical applications show that the system is a strong tool for machine monitoring and maintenance.
对其实现总体目标、体系结构和平台构成、设计原则等技术特点进行详细的探讨和介绍。
This paper shows a detailed discuss and introduction about technical characteristics of realizing the main object, systematic structure, platform composing, design principles and so on.
介绍了鞍钢第二炼钢厂ANS - OB自动化控制系统的检测和控制项目、控制系统及软件的构成和系统的特点等。
It is described that detecting and controlling items, constitution of controlling system and software, and features of ANSOB automation control system in the No. 2 Steelmaking Plant in AISC.
重点介绍了波分复用(WDM)光纤网络的特点、通过选择光波长实现光交换的原理、WDM星形和环形光网络的构成等。
The emphasis is on the characteristics of WDM fiber optic network, the principle of optical switching by selecting wavelength. At last the WDM star and ring networks are addressed as an example.
介绍充气柜、环网供电单元和箱式变电站等电器成套设备的特点、种类及构成。
Design of ring network power supply in residential quarters and type selection of equipments;
介绍充气柜、环网供电单元和箱式变电站等电器成套设备的特点、种类及构成。
Design of ring network power supply in residential quarters and type selection of equipments;
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