三年前AMI销售的25瓦燃料电池重2公斤。
Three years ago AMI sold a 25-watt fuel cell weighing two kilograms.
通常来讲那些使用Windows操作系统的电脑又大又重又贵，电池寿命短，而且需要键盘和指示。我们的观点是，客户对这种电脑并不感兴趣。
The ones that are using Windows based OS are generally fairly big and heavy and expensive, have very weak battery life, require keyboard or stylus, and from our POV, customers not interested in them.
转化率稍高一点的电池也有，但是它们要重一些。
Cells with slightly better conversion rates are available, but they are heavier.
该系统仅重5磅，具有高放大倍数的光学设备，并采用商品化电池供电。
The system weighs less than 5 pounds, incorporates high magnification optics and runs on commercially available batteries.
它带有内置式可充电电池，看上去很酷，重量又轻，小巧紧凑——只有90克重。
It has built-in rechargeable battery and looks cool, light weight, small and compact - it weighs only 90g.
同时，使用紧凑型发动机的系统只有11公斤重，其有可能会取代电池而充当电力源，以进一步降低士兵的负载量。
The system also has the potential to use the compact engine as an electrical power source to further reduce the battery burden of dismounted soldiers, which can be as high as 11kg.
常青藤汽车通常用其处理厂器给25公斤重的电池充电，但在第二次试验中给改变了充电方式。
IVy normally USES its cells to charge a 25kg battery, but this was removed for the record attempt.
它的电池，大小如榻榻米，重400磅，位于汽车的底部，使车子的重心较低。
Its battery, the size of a tatami mat and weighing about 400 pounds, is under the floor, which helps give the car a lower center of gravity.
小一点的X100 e装上标配的电池后重3.3磅，而Edge装上标配的电池后重3.6磅，装上更大一点的电池后重3.9磅。
The little X100e weighs 3.3 pounds and the Edge weighs 3.6 pounds with its base battery, and 3.9 pounds with a larger battery.
他们是在便携电子产品领域中最流行的一种电池类型，具有最好的能重比，没有记忆效应，并且在不使用的情况下，充电损失比较慢。
They are one of the most popular types of battery for portable electronics, with one of the best energy-to-weight ratios, no memory effect, and a slow loss of charge when not in use.
这机器完全自动，由电池操纵，防水，并且，小于五磅重因此十分便携。
The machine is fully automated, battery-operated, waterproof and, at less than 5 pounds, portable.
Volt汽车使用的电池组重约400磅。
在拉斯韦特舱完成安装后次日，鲍恩和古德将再执行一次太空行走任务，开始空间站左侧太阳能电池板远端的6个电池(每个375磅重)的更换任务。
The day after the Rassvet installation, Captain Bowen and Mr. Good will stage a spacewalk to begin replacing six 375-pound batteries in the station’s far left set of solar arrays.
采用厚电极的铅酸电池可以比采用薄电极的铅酸电池更能容忍这种“深度”的放电，但只能以生产更为沉重的重电池作为代价。
Lead-acid batteries with thicker electrodes can tolerate such "deep" discharges better than those with thin ones, but only at the expense of making a heavy battery even heavier.
及时可靠的对电池组进行监测具有十分重要的意义。
It is very important to monitor the storage battery in time and credibly.
蓄电池是汽车种十分重要、必要的部件。
The battery is a very important and necessary part of a vehicle.
然后，作者详细阐述了平衡重式蓄电池叉车CAD系统的框架结构、主要模块和工作流程。
And then, the author sets forth the frame of the CAD system of the Counterbalance Electric Forklift Truck, the main modules and the operation process.
在实施这一重大工程中，非晶硅电池将以其独特优势可望成为主要候选者。
The amorphous silicon solar cell with distinctive advantages is principal candidate for this network.
大而重的恐龙使用四节aa电池和球有四个腹主动脉瘤。
The big and heavy dino USES four AA batteries and the ball takes four AAAs.
添加剂对改善铝电池的性能具有十分重要的作用。
The additive plays an extremely vital role in improving performance of the aluminum battery.
因此，对燃料电池电动车动力传输系统的结构、工作原理以及其性能对整车各方面性能的影响的研究有着十分重要的意义。
Therefore, it is very important to us to make a deep research about the structure and working principle of powertrain and how its performance will affect the vehicle performance.
连跟机电池重136克。
采用高密度、锂离子电池、仪器，包括其利用，重达20磅，一个人就可以了锚绳10英尺每秒，球说。
Using high-density, lithium-ion batteries, the device, including its harness, weighs 20 pounds and can propel a person up an anchored rope at 10 feet per second, Ball said.
然后，详细阐述实现虚拟叉车设计的关键部分——平衡重式蓄电池叉车总体性能参数设计系统。
Author studies the virtual manufacturing technology and we successfully develop a system of the performance of the counterbalance electric forklift truck.
甚至最先进的设计电池都重达数百磅，重量太大会缩短汽车行程。
Even the most advanced designs weigh hundreds of pounds, reducing the vehicle's range.
因此，对燃料电池电动车的整车性能、驱动系统的结构、工作原理的研究有着十分重要的意义。
So the research of the capability of the vehicle, drive train structure and principle is very important.
譬如智能手机耗电量大，电池技术的进步就十分重要。
For example, smart phones consume a lot of electricity, so the progress of battery technology is essential.
从聚合物光电池中光电流和暗电流的产生机制出发，对该现象进行了解释，认为外加磁场可以有效改变单重态极化子对和三重态极化子对之间的相对比例，进而使自由载流子浓度增加。
The results show that the magnetic field can effectively change the relative ratio between the singlet and the triplet polaron pairs, resulting in an increase in the density of the free carriers.
航空蓄电池的主要参数决定了飞机地面的一次启动成功率和飞行安全，其参数的检测十分重要。
The main parameters of the aviation storage battery come to decide successful rate of the first startup of the airplane and the safety of the fly. Its parameters are very important.
航空蓄电池的主要参数决定了飞机地面的一次启动成功率和飞行安全，其参数的检测十分重要。
The main parameters of the aviation storage battery come to decide successful rate of the first startup of the airplane and the safety of the fly. Its parameters are very important.
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