Need to know the focusing and distance Numbers? Just check the lens' built-in LCD.

如果你想知道使用时的焦距和距离数据，镜头自带的LCD显示屏可以告诉你。

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Researchers are eager to produce 'non-contact' biometric systems that can check any individual's identity at a distance.

研究人员热切希望生产出“非接触性”生物识别系统，能在远处对所有个体进行身份认证。

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Check the Distance.

检查距离。

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The gear-check booth is located a safe distance from the finish line.

WSJ: Marathons Ponder the Future

Distance-sensing lasers will check for vehicles in the driver's blind spot and the passing lane.

CNN: Behold the?all-seeing, self-parking, safety-enforcing, networked car

For distance caregivers, consider hiring a geriatric care manager to check in on your aging parent at regular intervals .

FORBES: 7 Tips to Help Beat Your Aging Parent's Loneliness