Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] Definition of perpendicular closest point of approach PCPA on the flight path and slant distance d for a segment P1P2, when the calculation point CP is astride the segment (a) or when it is ahead of the segment (b) or when it is behind the segment (c). [..]
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