emission light efficiency
white light emission diode
Asymmetric tunnel junction
magnetic tunnel junction
emission characteristics of fluorine emission
diversion tunnel and spillway tunnel
option of separate highway tunnel and Metro tunnel
railway tunnel under crossing the highway tunnel
Shield Tunnel and Rock Tunnel
water tunnel and salt tunnel
(LED) Light Emitting Diode
[endoscopic]cold light source
[laser] light scattering detector
100% low-floor light rail vehicle
1550 nm light transmission of sub-carrier modulate trunk