Optical read-out uncooled infrared imaging technique has attracted much attention in recent years due to its low cost and high performance.

光学读出非制冷红外成像技术因其低成本和高性能近年来广泛受到关注。

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Their use could cause a delay in counting votes because they cannot be read by optical scanners.

WSJ: Sandy Prompts Shifts in Voting Procedures

Gov. Crist said he wants to get rid of all those touch-screen machines and replace them with optical scanning systems that would read paper ballots.

NPR: Florida Move Would Back Up Electronic Voting

Scout now pulls your vitals in ten seconds using just optical sensors, which enables it to read the vital signs of others -- as opposed to the prototype which utilized an EEG sensor and could only record the info of the person holding it.

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