在手机屏幕、电脑显示器和电视背光元件中，LED灯都已得到了广泛的应用。
LEDs are already widely used as the backlights for mobile phones, computer monitors and televisions.
该技术用紫外灯作为记录光源， 记录系统中不用任何光学元件， 记录过程不需防振条件。
In master hologram recording process, an uv lamp is used as the light source, and no optical elements and anti vibration devices are required.
实验用低压钠（汞）灯电源一般用电感元件作为限流器。
The low voltage power supply of Na (Hg) lamp used in experiment usually uses inductance to operate as current limiter.
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