Like its Cousins radar and sonar, lidar (light detection and ranging), works by broadcasting electromagnetic waves towards a target and then building up a picture from the reflection.

与雷达和声纳技术相似，激光雷达(光探测和测距)的工作原理是通过向目标发射电磁波然后根据反射波构建图像。

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Carbon composites are extremely strong and light. They are already used in products ranging from tennis racquets to aircraft wings.

复合碳材料质轻而坚韧，已经在从网球拍到飞机机翼的广大范围内得到应用。

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Over the last 15 years the country has made rapid progress in the design, development and production of AFVs ranging from MBTs through to light and medium tracked and wheeled vehicles.

在主战坦克以及各类轻、中型履带式及轮式装甲战斗车辆的研发和建造方面，这个国家在过去的15年里进展神速。

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They include BRABUS Monoblock light-alloy wheels with diameters ranging from 19 to 21 inches.

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James played most of the instruments on "Regions of Light" and broadens his already wide-ranging sound.

NPR: Jim James Takes Search For Connection To SXSW

Each of the new models features a unique, innovative design and a range of improved imaging technologies that make is easier than ever to capture the decisive action in all types of shooting environments ranging from low-light to outdoor scenes, underwater adventures and everything in between.

ENGADGET: Sony brings Cyber-shot HX300, WX300 and TX30 to the US with fast autofocus