计算机硬件以前是一种稀少而昂贵的资源。

Computer hardware has traditionally been a scarce, expensive resource.

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在计算机系统中，硬件提供基本的计算资源。

In a computer system the hardware provides the basic computing resources.

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在计算机系统中，硬件提供基本的计算资源。

In a computer system the hardware provides the basic computing resources.

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