Most energy storage systems such as batteries are expensive or inefficient.

而大部分能源储存设备诸如电池等都很贵而且缺乏效率。

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If the network contains no energy sources, such as batteries or electrical generators, it is known as a passive network.

如果在网络中没有电源，例如电池或者发电机，则称为无源电路。

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"Society really needs a low-cost, high-performance energy storage device, such as batteries and simple supercapacitors," he said.

“社会确实需要一个低成本，高性能的能量储存设备，如电池和超级电容器简单，”他说。

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A WHO official in Jerusalem says the agency believes Israel is reluctant to allow certain items, such as batteries and electronic equipment into Gaza because it considers those items could potentially be used for military purposes.

VOA: standard.2010.06.01

And how,she asks, will they handle additional costs such as electric charging, batteries and solar panels?

VOA: special.2009.05.11

Many components, such as batteries and touchscreens, receive their final processing in China in factories owned by foreign firms.

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For civilian purposes, these materials are crucial for high-tech items such as computers and televisions as well as green items such as batteries and fluorescent light bulbs.

CENTERFORSECURITYPOLICY: Center For Security Policy

At the Shanghai motor show in April, Toyota president Akio Toyoda announced that the company was studying producing in China key components of its hybrid vehicles (HV), such as batteries and motors.

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