Circular Light Rings provide a visual target and notify the user when to start and stop blowing.

圆光戒指提供一个可视化的目标，并通知用户何时启动和停止吹。

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It looks like it's that flickering circular light there, which is slowly traveling across your screen, moving from left to right.

它看起来就好像一个摇曳的圆形光点，正缓缓从左向右穿过你的电视屏幕。

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Based on symmetry of the circular light spot of the laser, a two dimensional numerical simulation of temperature fields of laser molten pool has been developed.

利用激光圆形光斑对称性的特点，建立了激光表面快速熔凝条件下温度场的二维数值模型。

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New this year is a three-storey circular light installation entitled Rising Moon, made from 7, 000 plastic bottles and other recyclable materials floating on a pool of water in Victoria Park.

BBC: Hong Kong��s enchanting homage to the moon

However, in this case, the three lenses have color detail around them which makes them look anything but sinister, and the circular base section might look a little large, but in fact it's light in the hand -- and actually helps it sit quite comfortably atop a helmet.

ENGADGET

Vaguely diverted by the break in routine, that evening he walked on the brick-paved front driveway instead, looping around the circular lawn and through a carport in which a misplaced glass chandelier cast a friendly yellow light.

NEWYORKER: In Other Rooms, Other Wonders