The electrification of Europe and America in the late 19th century sparked the use of storage batteries for telegraphy, portable electric-lighting systems and back-up power.
在19世纪晚期，欧洲和美国的电气化进程开始将蓄电池大规模用于电信技术、便携式电灯系统和后备电源。
Their actual use may turn out to be to provide power for portable electronic devices.
但它的实际用途可能是为便携式电子设备提供能源。
Scientists used two harmless viruses to create high-performance, rechargeable lithium-ion batteries that could power portable electronic devices like mobile phones or GPS systems for military uses.
由两种无害的病毒制造的高性能电池，可以为便携式电子设备如手机、GPS系统提供动力，此设备也可用于军事目的。
Woodall envisions a new portable technology for regions that aren't connected to a power grid, such as villages in Africa and other remote areas.
伍德奥认为像非洲和其他偏远地区的村子一样没有电网的地方需要一种可移植技术。
Extra memory could, for example, be hidden in a laptop or smart phone dock to increase a portable device's computing power when plugged in.
比如，扩展内存可以隐藏在笔记本或智能手机的插口中，即插即用，提高手持设备的计算性能。
DMFC is expected to find wide application as a portable or mobile power, exemplified by battery for cellular phones or engine for electric vehicles.
DMFC被认为最适宜作可移动动力电源和便携式电源，如电动车电源和手机电池。
DMFC are expected to find wide application as a portable or mobile power, exemplified by battery for cellular phones or engine for electric vehicles.
DMFC被认为最适宜作可移动动力电源和便携式电源，如电动车电源和手机电池。
Thee problem is lithium-ion batteries, which have become the standard for portable consumerelectronics, including phones, tablets and laptops, because of the power they can pack into asmall package.
问题出在锂离子电池身上，它已成为便携式电子产品的标配，包括手机、平板电脑和手提电脑，因为一块小小的锂离子电池能存储大量电能。
In this paper, the hardware structure and software flow for a portable optical power meter are described, and a method of calibration of this instrument and its measured performance are presented.
介绍了一种便携式光纤功率计设计的硬件结构和软件流程，给出了其标定方法和实测性能指标。
Li Battery is the key power source for most of the portable electronic products.
锂电池是移动电话、笔记本电脑、摄像机、军用夜视仪等便携式电子产品的关键动力源。
It combines a battery and inverter for portable electricity and backup power anytime.
它结合了电池和逆变器的便携式供电和备用电源随时。
Applicable to fire, electric power, metallurgy, coal, petroleum, petrochemical, gas stations and other departments or units for portable spot lighting.
适用于消防、电力、冶金、煤炭、石油、石化、加油站等部门或单位作便携式现场照明。
Portable Device for Measuraement of Reaction Time and Anaerobic Power was specially designed for experiment and test of exercise physiology.
便携式反应时、无氧功率测定仪，是专为运动生理教学实验和机能测试而研制的。
The devices are ideal for portable, low power applications, especially with high source impedance.
上述器件非常适合便携式、低功耗应用，特别是较高源阻抗应用。
Hand-held portable power tools - Measurement of vibrations at the handle - Part 5 : pavement breakers and hammers for construction work.
便携式手提电动工具。手柄振动的测量。第5部分：建筑工程用柏油路破碎机和錾平锤。
MSP430 MCU, a 16-bit microprocessor of ti company, is widely applied in portable instruments and meters for its low power consumption, simple but sufficient orders and strong functions.
MSP430MCU是美国TI公司设计生产的16位微处理器，它具有超低功耗，指令简单丰富，功能强大等优点，广泛应用于便携式仪器仪表中。
The paper deals with a portable analyzing monitor system with liquid crystal display(LCD), which is low in power consumption and suitable for Chinas specific conditions.
研究设计出了一种低功耗的便携式液晶显示心电分析监护仪，除了对其总体方案进行了论证外，还完成了硬件和软件的设计。
Low power consumption design is the identical demand for every portable system.
低功耗设计是便携式设备的普遍要求。
The portable vibration analyzer is the important device for monitoring the rotating machinery and is widely used in kinds of fields, such as chemical, electric power and metallurgy.
便携式振动测试分析仪是旋转机械状态监测中的重要工具，广泛应用于化工，电力，冶金等行业。
The converter is optimal for portable electronic equipment, which come with a battery pack for power supply.
所述转换器对于便携式电子设备是最佳的，它与电池组一同用于供电。
While more expensive than a desktop computer with equivalent computing power, a laptop can be ideal for the on-the-go user who needs a second, portable computer.
虽然比具有同等计算能力的台式机更贵些但膝上型机可作为需要第二台便携机的移动用户的理想配备。
The system use battery as power and realize device portable and also supply convenience for explosion protection dispose design.
系统采用蓄电池供电方式，实现仪器便携化，也为后续防爆设计提供方便。
In order to realize power saving of portable VHF radio, a power saving alteration plan is proposed for a radio based on reducing static and dynamic power consumption.
为实现便携式超短波电台节电目的，从降低静态和动态功率消耗两方面，提出了某型电台节电改造方案。
For the hydraulic vehicle and equipment been wrong in field, the pressure, the flow, the power and so on were test with portable test instrument. The wrong hydraulic component was found.
而对于在野外田间或生产现场出现故障的液压车辆和设备，可以利用便携式测试仪，快速的测量出系统的压力、流量、功率等主要参数，进而可判断出究竟是哪一个液压元件出现了故障。
Power AS Wet & Dry Vacuum series would be the best choice for daily-cleaning of small office, workshop and warehouse for their compact design and portable feature.
是工厂小型办公区域或小型车间、仓库进行日常清洁的首选产品。
Power supply for VCRS; OA equipment Digital camera, LCD television set notebook PC, portable communication equipments, DC/DC converters, etc.
录像机，笔记型电脑，OA仪器，数码相机，液晶电视，小型通信设备，DC/DC转换器等。
National Semiconductor is the world No 1 power management product supplier. We have best power management solution for the portable application.
作为全球著名的电源管理芯片供应商之一的美国国家半导体，一直致力为便携式电子产品提供最好的电源管理解决方案。
Safety Requirements for Power. Tools, Portable, Compressed-Air-Actuated Fastener Driving Tools.
动力工具。便携式压缩空气驱动的紧固件旋入工具。安全要求。
Safety Requirements for Power. Tools, Portable, Compressed-Air-Actuated Fastener Driving Tools.
动力工具。便携式压缩空气驱动的紧固件旋入工具。安全要求。
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