以稀土为激活剂的长余辉磷光体，它的余辉亮度主要受原材料配比和煅烧温度的影响。
The brightness of long decay phosphors composed of rare-earth activator depends on the components of the raw material and temperature of fire.
该陶瓷层由诸如磷光体之类的波长转换材料组成或者包括诸如磷光体之类的波长转换材料。
The ceramic layer is composed of or includes a wavelength converting material such as a phosphor.
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