| English | Spanish | |
|---|---|---|
| Engineering | ||
| Engineering | zero time reference | tiempo cero de referencia |
| Technical | ||
| Technical | zero time reference | tiempo cero de referencia |
| Aeronautics | ||
| Aeronautics | time reference scanning beam (trsb) | haz explorador a intervalos de tiempo |
| Aeronautics | time reference point | punto astronómico de referencia |