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By painting the paint on the surface of the objects, a luminescent coating will form and energy will be stored after irradiation by ray. 将其涂装于物体表面，形成发光涂层，经光线照射后储蓄能量，于黑暗中持续发出荧光，可在无电力照明的情况下向人们提供可辨认的标识。