A fluorescentlayer arranged in the inner part can play the navigational function, and the color can be changed as a special mark.
其内部的荧光层,可起到导航的作用;还可改变其颜色作为专用标志之用。
2
Fluorescentlayer produced by the fluorescent powder has favorable printing characteristic, sky-high ultraviolet light absorbing quality and light-emitting efficiency.
这种荧光粉制作出的荧光层具有良好的印刷特性,极高的紫外光吸收能力和发光效率。
3
The second basal plate is disposed above the lighting tubes, and the fluorescentlayer is disposed on the second basal plate and arranged between the second basal plate and the lighting tubes.