滤光镜，电极，晶体管，液晶体本身以层状放置在一片薄玻璃板上，上面还盖着另外一片玻璃板，这类似于三明治的结构。
Layers of material which work as filters, electrodes, transistors and the liquid crystal itself are deposited onto a thin glass plate to form a sandwich that is covered with another pane of glass.
照明装置至少包括带内螺纹的金属衬套、印刷电路板、发光二极管、微动开关、弹簧电极、电池及金属后盖。
The lighting device comprises at least a metal sleeve with a female thread, a printed circuit board, a LED, a microswitch, a spring electrode, a battery and a rear metal cover.
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