Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] For each of the flight path segments or, if necessary, the extended flight path segment the perpendicular closest point of approach (PCPA) to the observer and the slant distance from the observer to this PCPA is determined (see Figure 1). [..]
Avots: COMMISSION RECOMMENDATION of 6 August 2003 concerning the guidelines on the revised interim computation methods for industrial noise, aircraft noise, road traffic noise and railway noise, and related emission data