He said the Octagon would soon switch to a fuel cell system for heat and electricity, partly to cut energy costs at a time of a depressed rental market.

他说奥特根不久将使用燃料电池系统供热和发电，以便在楼房租赁市场低迷的情况下部分地降低能耗。

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Yet spending on ads carried over cell-phone networks last year amounted to just $1.5 billion worldwide, a fraction of the $424 billion global ad market.

然而，去年全球手机网络广告支出仅为15亿美元，仅占全球广告市场总额4240亿美元的一小部分。

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High energy prices and environmental concerns will also contribute to fuel cell commercialization activity and market gains.

高能量的价格和环境影响将对燃料电池商业化活动和市场收益起到促进作用。

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The carmakers hope to launch "the world's first affordable, mass-market fuel cell car" by 2017.

BBC: Nissan FCEV on display at a car show in Brussels in January

Within two years, consumers will be able to buy the first mass-market fuel cell.

ECONOMIST: Fuel cells meet big business

Hutheesing says new subscriber rates in China are growing at 20% per year, and that the top 10% of the Chinese market replaces cell phones every six months to a year.

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