Stacked near the checkout counters, and as colorful as a Fisher-Price toy, it is a not-so-serious-looking power tool: a battery-operated saw-and-drill combination.
堆在收银台附近，像费雪玩具一样颜色鲜艳的它，是一个看起来不那么严肃的电动工具：一个电池驱动的锯和钻的组合。
From there you feed electricity into the grid and you can access any power outlet and feed your battery.
从那里你可以将电力接入电网，然后就可以在任何电源输出口上为你的电池充电了。
The combination of materials determines the characteristics of the battery, including its energy and power density, safety, longevity and cost.
材料之间的结合决定了电池的特性，包括它的能量和功率密度，以及安全性、使用寿命和成本。
But even with this advantage, wireless devices offer a vast range of capabilities in terms of memory, processing power, battery life, display size, and network bandwidth.
但即使有这个优点，各种无线设备在内存、处理能力、电池寿命、显示屏大小和网络带宽等方面的能力差异还是相当大的。
It is the first solar-powered plane to carry both a pilot and enough battery storage to power flight through the night.
这是第一架携载了一名飞行员和充足电池储量以提供夜间飞行动力的太阳能飞机。
The problem is that a big screen will use more power (shortening battery life) and be much less portable than a small screen, so netbooks will tend to have smaller screens than notebooks.
问题在于大屏幕要消耗更多电力（缩短电池工作时间），而且相较于较小的屏幕，其便携性也较差，所以上网本还是会倾向于使用比笔记本电脑更小的屏幕。
In an electric car, for example, an ultracapacitor could provide the power needed for acceleration, while a battery provides range and recharges the ultracap between surges.
比如电动车，超级电容可以提供加速所需的电力，而电池提供行程所需能量，并在电涌间隙为超级电容反复充电。
Now a new design of battery, which USES oxygen from ambient air to power devices, could provide even an smaller and lighter source of power.
如今，一种以使用周围空气中的氧气作为动力的新电池设计能够作为更加小巧，轻便的电力来源。
Specifically, ADA will create a high performance, cost effective and easy-to-manufacture lithium-ion battery that meets the power generation and storage requirements of military UAS.
具体来说，ADA公司将创建一种高性能、低成本、易于制造的锂离子电池，能够满足军用无人机的动力生成和存储的需求。
Discharging the battery reverses the process and releases electrons to provide power.
电池的放电过程正好相反，是释放电子以提供电力的过程。
That would be enough to fully charge a cell phone, laptop or other electrical device almost instantaneously, and then dole out that power to a waiting battery for long-term storage.
这个电量足以立刻给手机，手机电脑或者其他电子设备完成充电，并且随后能够释放少量电量给正在使用的电池以作长期存储。
If your battery is low, send a text message to youremergency contact, which requires less power and can transmit over aweaker connection than a voice call.
如果你手机电池电量不足，发送短信到你的紧急联系人，这需要更少的电量，能够通过比语音电话更弱的连接传输信号。
Compared to desktop computers, they have less screen real estate, less memory, less compute power, and battery capacity limits.
与台式电脑相比，它们具有较少的屏幕实际使用面积、较少资金、较少计算能力且有电池容量限制。
Conventional UPS systems can power a data center for an hour or more, and battery systems can be extended centrally to provide more runtime.
传统的UPS电源系统可以支持数据中心一个小时或更多，电池系统则可以将运行时间延长的更长。
The tugboat could draw extra power from the battery when full-power surges were needed, and turn its diesel engines off altogether when it was idle, allowing the battery to power other equipment.
在需要的功率激增时，拖船可以从电池获得额外的电力；当它闲置时，可将其柴油发动机关闭，用电池为其它设备供电。
Battery status applet features a battery status dialog, power statistics, CPU frequency scaling and power management preferences.
电池状态小应用提供的特点包括：电池状态对话框、电源统计、CPU频率调节和电源管理选项。
For it is possible that the long and expensive search for a better battery to power the brave, new, emission-free electrical world has been following the wrong trail.
因为目前这些冗长和昂贵的为了研发出更好的电池的研究(这些研究为华丽的、新的、自由发射的电子世界提供动力)有很大的可能性正沿着一条错误的路走下去。
The following chart plots battery depletion after the device has received a hefty bump charge (6 cycles) and then turned on to use battery power.
拿一块耗尽电的电池按上述方法经过6次充电后，再打开手机用电池供电，根据这个用电量绘制出下面这个图。
Then at night, the fiber optics work in reverse, lighting up the towers from the inside and with power provided by integrated solar-charged battery packs.
在晚上，光纤反向工作，用集成太阳能充电电池从内部为塔楼照明。
Meanwhile, it also expects to lose ground in its initial market, power tools, as Black and Decker expands its number of battery suppliers.
与此同时，他也可能丢失他最初的市场——电力工具，因为Black和Decker这两个竞争公司扩展他们的电池供应商。
Battery power is being shoehorned into the Mini, and everyone is busy developing hybrids.
燃料电池也被塞到了mini车里。大家都在忙着搞氢动力。
(Power outages, however, activate backup battery and safe mode, which means you can still perform tasks like unlocking a door manually).
(比如停电了。但是还有启动备用电池和安全模式的存在，这样你就可以继续你手上的活计了)。
If there aren't as many steps in the process, you save CPU cycles and potentially battery power on devices.
如果流程中涉及的步骤不多，那么就可以节省CPU周期以及设备中的电池电量。
Its electric battery can provide you with anywhere between 4 and 10 hours of power, depending on your cruising speed.
它的蓄电池可以提供给4到10小时的电力，具体时间取决于你的航行速度。
Of course, this last step could be optional if your garage is equipped with the latest wireless battery charger connecting car and A.C. power grid automatically.
当然，如果你的车库自动地配备了最新型的无线电池充电汽车以及交流电网，最后一个步骤可以省去。
Of course, this last step could be optional if your garage is equipped with the latest wireless battery charger connecting car and A. C. power grid automatically.
当然，如果你的车库自动地配备了最新型的无线电池充电汽车以及交流电网，最后一个步骤可以省去。
The plan is to climb to higher altitudes during the day, and trade that altitude for airspeed, supplemented with battery power, to continue flying during the night.
飞机在白天利用太阳能爬升到较高的高度，然后利用高度把势能转换成飞行速度，给电池组充电，用来维持夜晚的航行。
This particular revolution won't be just a transition to lighter and "bendier" touchscreens, it will also lead to lower power consumption and longer battery life.
这一出众的革新技术不仅使触摸屏变得更轻和易于弯曲，还将减少电力消耗，也意味着更长的电池供电时间。
This particular revolution won't be just a transition to lighter and "bendier" touchscreens, it will also lead to lower power consumption and longer battery life.
这一出众的革新技术不仅使触摸屏变得更轻和易于弯曲，还将减少电力消耗，也意味着更长的电池供电时间。
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