If we could power such an elevator with solar energy, we could simply rise up into space for a fraction of the cost of a trip by rocket or shuttle.

如果我们能利用太阳能为这样的电梯提供动力，我们只需花费乘坐火箭或航天飞机旅行费用的一小部分就能进入太空。

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Again, the memory and CPU power in a mobile device is a fraction of what is available in a desktop computer.

再次提醒，移动设备的内存和CPU能力怎么也无法与桌面计算机相媲美。

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The concept is simple, why pay for an entire processor core when a well written website only needs a fraction of that power.

这个概念很简单，为什么一个编写得很好、只需要一部分处理器能力的站点需要为整个处理器核心支付费用呢？

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It is easier on the eyes, consumes a fraction of the power compared to traditional displays.

ENGADGET: E Ink acquires SiPix, may dominate e-paper universe

The Inga I and II dams on the Congo river have generated a fraction of the power they were meant to.

ECONOMIST: Dams in Africa

Devesh Garg, founder and CEO of Tilera, says his multi-core processors will lead to higher computing performance but at a fraction of the power, latency, size and cost of other solutions.

FORBES: Qualcomm And Tilera: How 'Data Tsunami' Will Lift Behemoth And Startup Alike