【化】 轻质烷基化物

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

coefficient of light absorption【环境】

extra light calcined magnesia

active matrix organic light emitting diode，AMOLED

central light loss, CLL

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

elliptically polarized light

light-beam instrument