- sight datum line
- опорная линия прицела; нулевая линия визирования
Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. edited by M. Murashkevich. 1974.
sight datum line
Смотреть что такое "sight datum line" в других словарях:
Mason-Dixon Line — The Mason–Dixon Line (or Mason and Dixon s Line ) is a demarcation line between four U.S. states, forming part of the borders of Pennsylvania, Maryland, Delaware, and West Virginia (then part of Virginia). It was surveyed between 1763 and 1767 by … Wikipedia
Sounding line — A sounding line or lead line is a length of thin rope with a plummet, generally of lead, at its end. No matter what metal the plummet is made of, it s still referred to as the lead. In the recent past, depths were measured in fathoms, although… … Wikipedia
surveying — /seuhr vay ing/, n. 1. the science or scientific method of making surveys of land. 2. the occupation of one who makes land surveys. 3. the act of one who surveys: The surveying required nearly two days. [1425 75; late ME: act of examining… … Universalium
epistemology — epistemological /i pis teuh meuh loj i keuhl/, adj. epistemologically, adv. epistemologist, n. /i pis teuh mol euh jee/, n. a branch of philosophy that investigates the origin, nature, methods, and limits of human knowledge. [1855 60; < Gk… … Universalium
Levelling — For other uses, see Levelling (disambiguation). Single levelling redirects here. For other uses, see Single level (disambiguation). Levelling or leveling is a branch of surveying, the object of which is 1) To find the elevation of a given point… … Wikipedia
Real-time locating — Articleissues confusing=July 2008 refimprove=May 2008 essay=May 2008: This page specifically concerns operational aspects of RTLS. For methodology issues see locating engine. For technology issues see wireless. According to ISO/IEC JTC1 SC31 and… … Wikipedia
Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… … Universalium
Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals … Wikipedia
Optical landing system — The Fresnel Lens Optical Landing System of Charles de Gaulle An optical landing system (OLS) (nicknamed meatball or simply, Ball ) is used to give glidepath information to pilots in the terminal phase of landing on an aircraft carrier.[1] From… … Wikipedia
JOB, BOOK OF — (named for its hero (Heb. אִיּוֹב), ancient South Arabian and Thamudic yʾb; Old Babylonian Ayyābum, Tell el Amarna tablet, no. 256, line 6, A ia ab; either from yʾb, to bear ill will or compounded of ay where? and ʾab (divine) father ), one of… … Encyclopedia of Judaism
FN P90 — PS90 redirects here. For the Russian aircraft engine PS 90, see Aviadvigatel PS 90. P90 … Wikipedia
