如果他们成功了，那么就不再需要电池。
IBM称，在某些情况下，较小的设备甚至不再需要电池。
In some cases, batteries may even disappear in smaller devices, according to IBM.
它不需要电池，它在生活中很常见，而且可以方便的放入口袋或钱包。
This simple little device requires no batteries, is totally customizable, and fits neatly in your pocket or purse.
你的车需要石油，智能手机需要电池，你的大脑需要营养。
Your car needs oil, your smartphone needs a battery, and your brain needs nutrients.
从电脑到汽车都需要电池，“更好”是指“要优于锂电池”。
For consumer goods, from computers to cars, "better" means "better than lithium-ion".
这项研究对于需要电池供电且需要长时间待机的应用具有非常重要的实用价值。
This research has extremely important practical value especially on the application which needs the battery power supply and long time waits.
系统采用免维护设计，不再需要电池，采用高能电容防止掉电引起的数据丢失。
The system is designed as Maintenance-free: Without battery, High energy Capacitor for NC data keeping.
这是第一次，太阳村是连接到本地电网，所以家中不需要电池来存储多余的电力。
For the first time, the solar village was connected to the local power grid, so the homes did not need batteries to store excess electricity.
这一系统将滴灌的高效性与太阳能水泵结合起来，它既不需要电池与汽油，也不需要煤油。
Linking the efficiency of drip irrigation to the reliability of a solar-powered water pump, the PVDI systems need no batteries, gas, or kerosene.
靠燃料驱动的机动系统耗费过大，而且太不可靠，伯尼研究的系统则不同，它们不需要电池、汽油或者煤油。
Unlike motorized systems powered by fuel that's too costly and unreliable, the systems Burney studies require no batteries, gas, or kerosene.
电子化香烟，我们通常简称为电子香烟，是一种需要电池装置而外观设计与普通的烟草香烟一模一样的香烟。
Electronic cigarettes, often called e-cigarettes, are battery-operated devices designed to look like regular tobacco cigarettes.
科学家们希望，随着在芯片内所运用的纳米技术不断进步，以后可以生产出不需要电池或系统供电的电子产品。
Scientists hope that as the nanotechnology used in the chip evolves, it could lead to electronics which don't require batteries or mains power.
科学家们希望，随着在芯片内所运用的纳米技术不断进步，以后可以生产出不需要电池或系统供电的电子产品。
Scientists hope that as the nanotechnologyused in the chip evolves, it could lead to electronicswhich don't require batteries or mains power.
我们相信能够制造出一款由想象力创造的玩具，一款不需要电池，而且孩子们随时随地都可以玩的玩具。
We believe in making toys that are built on imagination, don't require any battery and kids can play with anywhere.
本发明涉及一种用交流电的电子音乐门铃，由普通电子门铃加整流电源、继电器及功率放大器构成。本发明不再需要电池供电。
This AC electronic music door bell is composed of general electronic door bell, rectified power supply, relay and power amplifier and does not need battery to power it.
当需要全功率激增时，拖船可以从电池获得额外的电力。
The tugboat could draw extra power from the battery when full-power surges were needed.
太阳能电池树充电器也比普通的家庭灌木需要更少的维护。
The Solar Cell Tree Charger takes a lot less upkeep than average household shrub.
有个电池公司的人告诉我：“你根本不需要非用50磅的镍去做电池。”
"You don't need to carry 50 pounds of nickel, " one battery company man told me.
问题是汽车的电池需要充电。
这就是它们的电池需要再次充电之前能走的距离。
This is how far they can travel before their batteries need another charge (充电) .
一套这样的套装需要大量的电力，电池目前只能维持15分钟左右。
A suit like this needs a lot of power and batteries only last about 15 minutes at the moment.
美国海军研究办公室要求这两个研究小组提供一些不需要更换电池的水下滑行机器人设计方案。
The US Office of Naval Research has asked the two teams for ideas for gliders that will never need a battery change.
1900年左右，人们发明了镍镉电池，它最初在需要更多能源的时候使用。
Nickel-cadmium cells came along around 1900 and were used in situations where more power was needed.
而这需要使用大号的汞锌电池，这会是发电器比现在使用的设备大五倍。
This meant using big mercury-zinc batteries, making the generators up to five times bigger than modern devices.
与硫化钠不同的是，液化钒电池不需要加热到高温。
Unlike sodium-sulfur batteries, vanadium-flow batteries don't need to be heated to high temperatures.
当使用2伏以上的电池时，需要使用额外的电阻来帮助控制电流。
LED's require resistors to control current when used with batteries rated at over 2 volts.
这也会将电动汽车的电池在需要时成为备用电源。
That would also allow the batteries of electric cars to serve as a backup supply of power when needed.
另外，需要注意的是，废电池、日光灯管、水银温度计、油漆筒、药品等都是有毒垃圾，需要特别的处理。
Besides, what people should pay attention to is that used battery, the light tube of daylight lamp, mercury thermometer, paint pot and medicine are all toxic wastes, which need special disposal.
一旦它们行驶160km左右，电池就需要重新充大约八个小时的电。
Once they have travelled 160km (100 miles) or so, the battery needs recharging, which can take some eight hours.
一旦它们行驶160km左右，电池就需要重新充大约八个小时的电。
Once they have travelled 160km (100 miles) or so, the battery needs recharging, which can take some eight hours.
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