宝马去年与德国零件制造厂博世和韩国的电子产品公司三星签署了协议，从他们处购买用于城市电动车的电池。
Last year it signed an agreement with Bosch, a German parts-maker, and Samsung, a Korean electronics firm, to buy batteries for an urban electric car.
为了达到这样的目标，博世与韩国三星成立了合资公司来开发并生产汽车用锂电池。
To that end, it has set up a joint venture with Samsung of South Korea to develop and produce Li-ion batteries for automotive use.
三星推出的触屏手机“蓝色地球”的背面有一块可以供电的太阳电池。
Samsung unveiled the Blue Earth touchscreen phone which has a solar panel on the back that can charge the phone.
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