Other Uses
- Light, Rapid, Comfortable (or Léger, Rapide, et Confortable), a Bombardier passenger train used by Via Rail Canada
- Longitudinal redundancy check, an error detection number calculated over a serial data stream
- LRC circuit, an inductance-resistance-capacitance circuit (L for inductance may refer to Heinrich Lenz)
- LRC (file format), a lyrics file format with time tags to synchronize an audio file such as MP3
- Long Range Cruise speed in aviation: a formula to optimize fuel flow and cruise time
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