An entirely personal graffiti has to be scratched into the black coating for the object to give light.

在黑色面料上努力擦擦刮刮，光线出来了，一个带个人色彩的涂鸦也诞生了。

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This paper describes the principle, equipments, method and results in the measurement of reflectance of black coating in the electrically calibrated conical cavity radiometer.

本文介绍电校准辐射计的锥腔形黑涂层反射比的测量原理、装置、方法以及测量结果。

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A value related to the hiding power of a coating. The ratio of reflectance of the coating over black and white backgrounds at equal film thickness.

同涂层遮盖力相关的一个数值，以相同的涂层的厚度在黑色和白色背景下涂层反射系数的比值。

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Black ice coating roads in neighbouring Croatia has caused a spate of accidents, national TV reports said.

BBC: Austria motorway hit by 100-vehicle crash in snow

We learned that the first units out of the door will look a little different to these samples, the white version gaining a glossy finish, while the black edition coming with a matt rubber coating.

ENGADGET: Thermaltake and BMW's Level 10 M gaming headset hands-on