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German Aerospace Center. The German Aerospace Center ( German: Deutsches Zentrum für Luft- und Raumfahrt e.V., abbreviated DLR, literally German Center for Air- and Space-flight) is the national center for aerospace, energy and transportation research of Germany, founded in 1969. It is headquartered in Cologne with 35 locations throughout ...
Mass: 137,000 kg (302,000 lb) Stages: 4: ... A Zefiro 23 forms the second stage of Vega. ... the German Aerospace Center (DLR) moved to be included in the program.
L.Ed — Lawyers' Edition. L.Ed.2d — Lawyers 2nd Edition. LJ – Postnominals of a Lord or Lady Justice of Appeal (United Kingdom) LJJ – Postnominals of Lords or Ladies Justice of Appeal, plural (United Kingdom) LL.B. – Legum Baccalaureus — Bachelor of Laws. LLC — Limited liability company. LL.D. – Legum Doctor — Doctor of Law.
Dosimeter. A radiation dosimeter is a device that measures dose uptake of external ionizing radiation. It is worn by the person being monitored when used as a personal dosimeter, and is a record of the radiation dose received. Modern electronic personal dosimeters can give a continuous readout of cumulative dose and current dose rate, and can ...
A design layout record ( DLR) or circuit layout record ( CLR) is used in the telecommunication industry to describe the detailed design path of a completed circuit, including all equipment and network components from one end (often referred as A-Loc or A-end) of the circuit to the other (Z-Loc or Z-end). It may be detailed enough to include ...
The United Kingdom is the birthplace of rapid transit, with London and Liverpool hosting the world's first and second urban rail transit and Glasgow the fourth. From 1893 to 1956 the Liverpool Overhead Railway was the only elevated rapid transit in the country, however fell into disuse being demolished in 1957.
Displacement–length ratio. The displacement–length ratio ( DLR or D/L ratio) is a calculation used to express how heavy a boat is relative to its waterline length. [1] DLR was first published in Taylor, David W. (1910). The Speed and Power of Ships: A Manual of Marine Propulsion.
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