A machine can examine a circuit board for faults almost instantly. A human would take far longer to do the same thing, and would be less accurate.

测试产品的仪器能够几乎立刻发现印刷电路板的缺陷，如果同样的任务由人来完成，那将花费很长的时间，而且不如机器准确。

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The other, less-remarked trend, which Bagehot observed on a circuit of marginal constituencies in the south-west, is the enlarged role of local issues and candidates.

白芝浩在西南各边缘选区巡行时，观察到人们关注程度较低的另一个现象，即地方问题和候选人的影响增大。

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That technology makes calls less expensive than traditional phone services, which require a dedicated circuit for each connection.

它比传统电话话费要低廉许多。

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In time, packet networks will almost entirely replace more expensive and less capable circuit-switched networks.

ECONOMIST: Internet telephony

Circuit management have less than 24 hours to provide Formula 1 surpremo Bernie Ecclestone with evidence of its ability to hold the event.

BBC: Donington quiet as deadline nears

The teams run their cars here with less aerodynamic downforce than at any other circuit and finding the right balance between straight line speed and cornering is key.

BBC: Sebastian Vettel heads Ferrari pair in Monza practice