Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] Using a test facility layout as shown in Figure 8-17, the angular subtense between the angles at which a white and a red signal colour can be measured in a laboratory over a short range at the centre of the beam should not exceed 15 minutes of arc. [..]
Avots: Airport Services Manual Part 4 - VISUAL AIDS