L

L Left 左，左声道

Low低的

LCD Liquid Crystal Display 液晶显示器

LCOS Liquid Crystal On Silicon 硅基液晶

LED Light Emitting Diode 发光二极管(https://www.daowen.com)

LVDS Low-Voltage Differential Signaling 低压差分信号

LNB Low Noise Block 低噪声组件，（微波）高频头

Low Noise Block Down Converter 低噪声下变频器

LNBF Low Noise Block Feed 馈源一体化高频头

LPF Low Pass Filter 低通滤波器