Long Distance Relationship Land Disposal Restrictions Light Dependent Resistor Land Disposal Restriction Low Data Rate linear dynamic range Large Deployable Reflector LEADER Line Driver Receiver linear depolarization ratio low dose rate low-dose radiation Aero Lider labor delivery room Labor Distribution Reporting Landauer, Inc. Lead Development Representative Lean Depot Repair ligase detection reaction ligation detection reaction Light Dependant Resistor Light Dependant Resistors Light Detect Resistor Light-Dependent Resistor Limited distribution reports Limiting Dome Ratio Limiting Draw Ratio Local Data Record Local Data Records Local Distribution Radio