供电方式可以选择常见民用外部电池，也可以选择带有充电功能的插头电源组。
Commercial external accessible batteries or accus as well as a plug power pack with integrated accu charging function can be used alternatively.
在对电源系统可靠性要求较高的场合，一般采用两组蓄电池并联运行、浮充供电的方式。
To the electrical power system reliability request high situation, USES two group of accumulator cell parallel operations, the floating power supply way generally.
本文针对通信电源维护中的几个热点问题进行了探讨，包括新的供电方式、集中监控、设备的维护以及新设备的选择等。
This paper discusses some hot problems of the maintenance and administration for communication power, including separate powering, centralization monitor, selecting main equipment, and so on.
在串联型晶体管稳压电路中，集电极电阻有内部电源和外部电源两种供电方式。
There are two kinds of supply modes of collecting electrode resistance (inner and outer) in the voltage-steadied circuit in which series connection transistor is used.
阐述了地铁供电系统对电源的基本要求，对各种供电方式的特点及其选择作了简要分析。
The article describes the basic requirements for the power source of the metro power supply system, analyzes briefly the features of various power supply modes and their selection.
目前常见的便携式核数据测量分析仪电源供应为单一的蓄电池供电方式，这不仅影响测量仪器的长时间连续正常工作，而且增加了系统的成本和体积。
Accumulator is commonly used as power-supply of Portable-Type Nuclear Data Analyzer at present, which impose a limit on the Analyzer's working time and increase its volume and cost.
本文一开始介绍了通信电源系统的国内外研究现状及其供电方式，并讨论了其发展趋势。
This paper, firstly, puts forward its power supply method and developmental tendency, presents the research background at home and abroad.
研制了较先进的感应式电源，解决了供电方式这一阻碍测力刀柄推向实用化的关键问题。
A comparatively advanced induction-type power supply has been developed to solve the critical problem that hindered this toolholder from being put into practical use.
实现了固定式、移动式、多机并联组合式、应急电源等多种供电方式，产品畅销欧美、东南亚等60多个国家。
To achieve a fixed, mobile, multi-parallel-type units, emergency power and other power supply products are popular in Europe, Southeast Asia more than 60 countries.
大电网与分布式电源相结合的方式，在提高供电可靠性、减小系统旋转储备和有效利用能源等方面都颇具优势。
The use of wide area T&D systems to interconnect a large number of generators and loads provides tremendous benefits in the cost and reliability of electricity supply.
尺寸小，重量轻，频率范围宽；具有电池电压欠压和工作状态指示；可内，外供电方式；非常适合于现场和无外接电源时的使用；
Small Dimensions, lightweight; Wide frequency range; Operation status LEDs; Low-battery warning; Internal or external power supply; Suitable for filed test.
采用这种无线供电的方式无需长长的电源线，使用方便。
By adopting the wireless power supply mode, the power source device has no need for long power source wires, thereby achieving convenient utilization.
采用这种无线供电的方式无需长长的电源线，使用方便。
By adopting the wireless power supply mode, the power source device has no need for long power source wires, thereby achieving convenient utilization.
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