轻便行李

mouse, joystick, touch pad, touch panel, touch screen,light pen, digitizer tablet

vehicle control, light-optical, agv

coefficient of light absorption【环境】

extra light calcined magnesia

active matrix organic light emitting diode，AMOLED

sawtooth roof (north-light roof)

central light loss, CLL

airglow【地物】;light-of-the-night-sky【地物】;permanent aurora【地物】