In 1955 , an early high - speed commercial computer weighed 3 tons , consumed 50 kilowatts of power , and cost $ 200 , 000 在1955年，一台早期的高速商业电脑重达3吨，耗电50千瓦，耗资二十万美元。
To prevent unnecessary battery depletion . set the main switch selector to l ( lock ) when you are not using the camera 为避免不必要的电池耗电,当您不用相机时,请把主选择开关设定到l （锁定） 。
Wd scorpio delivers best - in - class performance with low power requirements comparable to much slower notebook drives Wd scorpio有着同类最好的性能。与慢得多的笔记本电脑硬盘相比，耗电更低。
Electric scooters consume over 1 , 000 worth of electricity per year , much cheaper than the 5 , 000 fueling cost of traditional scooters 电动摩托车每年所耗电费约为千多元，比汽油车的五千多元汽油费便宜。
Exhibits include " the giant light bulb " , " the filament in the light bulb " , " the more bulbs you light , the more current you need . 展品包括巨型灯泡灯泡内的灯丝亮灯愈多，耗电愈多及哪个灯泡不亮了？
Specification : high luminous efficiency , energy saving , longlife , golden - white light with the excellent capability to penetrate the fog 产品说明：特点：发光效率高、耗电少、寿命长、光线呈金白色、透雾力强。
Hvac is the single largest electricity end - user , accounting for 47 % of the total building electrical demand the energy end use and so on 代表性商场、酒店类建筑空调系统耗电占建筑总耗电的47 %左右,是节能的主要环节。
What is more , engineers expect these uwb units to be cheaper , smaller and less power - hungry than today ' s narrowband radio devices 尤有甚者，工程师期望这些超宽频元件，能比今天的窄频无线电设备更便宜、更小、更不耗电。
Using advanced electronic control , and to import a high - precision electromagnetic clutch 、 brake 、 agile and accurate 采用先进的电子控制，配有高精度进口变频数码信号驱动，动作敏捷、准确。低噪音、耗电省、送料准、效率高。
With the advantages of stable and reliable running , convenient operation and power saving , the die caster is widely welcomed by its customers 本系列压铸机具有运行稳定可靠，操作灵活方便，耗电省等特点，深受广大用户之欢迎。
