But a magnesium atom would carry two electrons, so a battery storing a given amount of energy could be nearly halved in size and weight.
但镁原子每次可以携带两个电子，这样的话在储存相同能量时可以使电池的大小和重量减半。
The amount of energy a battery can store depends on the volume of its electrodes, so a thin battery does not last long.
因为电池能存储的总能量依赖于它电极的体积，一个小的电池是不能长时间供电的。
The car will carry a 16 kilowatt-hour battery, which is about the amount of power that a suburban house uses in 12 hours.
这种汽车将使用16千瓦的电池，这相当于城郊一户人家12小时的用电量。
The amount of energy a battery can store per unit volume is increasing by 8% a year, but the needs of ever more powerful electronic devices are going up more than three times as fast.
一块电池所能存贮的单位能量每年增长8%，然而，对电子设备的能量需求却以每年超过24%的速度持续增长。
By reducing the amount of computation done on board the device, caching speeds things up and saves battery life in the process.
通过减少设备上的计算量，高速缓存会起到加速的作用，并且还会延长电池寿命。
The model has been modified by the researcher's team to increase the amount of electrical energy it can store - but not by installing a bigger battery.
研究团队改进了这些模型，提升电池储存的电量，而不是依靠安装一块更大的电池。
Increasing the amount of energy that a battery stores allows an automaker to use a smaller battery pack, thereby reducing costs.
较一个类似传统汽油发动机汽车的行程成本的两倍多的钱，提高能源电池存储量允许汽车制造商使用更小的电池组，从而降低成本。
Also, charging a NiMH battery is a tricky business because the voltage has to be carefully reduced as the amount of energy being stored increases.
此外，给nimh蓄电池组充电是个麻烦的过程，因为随着存储电能总量的增加，必须谨慎减少电压。
At least one source of the corrosion is the small amount of outgassing through the battery vents that takes place when the battery is in use.
蓄电池在使用过程中会产生一些通过蓄电池的通气孔排出的腐蚀性气体，这些气体是导致上述腐蚀现象的原因之一。
The amount of current the battery can supply is strictly limited by the "capacity" of the battery, which in turn depends on the amount of chemicals it contains.
电池所能提供的电流受限于电池的容量；同时，电池的容量又取决于电池中所含的化学物质的含量。
To save battery life, set the backlight to turn off after a short amount of idle time.
要节约电池寿命，请设置下列选项，在系统空闲一段时间后关闭背景光。
The Achilles' heel of the technology appears to be its low energy density, or amount of energy that can be stored inside the battery per unit volume.
该技术的阿基里斯的脚跟似乎是它的低能量密度，或可以存储在电池每单位体积的能量量。
The battery has an internal microprocessor that provides an estimate of the amount of energy in the battery as it charges and discharges.
电池有一个内置微处理器，它通过电池充放电的过程来提供电池内电量的估计值。
Bluetooth Low Energy sends and receives small amounts of data to and from receivers, using a small amount of battery usage.
低功耗蓝牙技术使用很低的电量从接收端发送和接收少量信息数据。
This way, you know you have a limited amount of battery life, and won't squander that time looking at Vine videos.
这样，你知道电量有限，就不会把它浪费在观看Vine的视频上。 不过，这个办法本身会令人焦虑。
This way, you know you have a limited amount of battery life, and won't squander that time looking at Vine videos.
这样，你知道电量有限，就不会把它浪费在观看Vine的视频上。 不过，这个办法本身会令人焦虑。
应用推荐