让我们库克为一个半小时,所以将黑色涂层厚度。
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。
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。