diameter-length ratio
41USCGC Conifer (WLB-301) — The USCGC Conifer (WLB 301) was a 180 foot (55 m) seagoing buoy tender. Conifer and her sister ships, commonly referred to as one eighties , served as the backbone of the Coast Guard s Aids to Navigation fleet for over 50 years before their… …
42Dha (sword) — The Kachin dha Dha (also spelled dah or dhaw) is the Burmese word for knife. The term dha is conventionally used refer to a wide variety of knives and swords used by many people across Indochina, especially present day Myanmar (Burma), Thailand,… …
43Lineman's pliers — Other names combination pliers, Kleins (US/CAN) Classification hand tool Related pliers Lineman s pliers (US …
44L/D — Length to Diameter Ratio (Miscellaneous » Unit Measures) *** Lift/Drag (Ratio) (Governmental » Military) …
45Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry …
46F-number — In optics, the f number (sometimes called focal ratio, f ratio, or relative aperture [Smith, Warren Modern Lens Design 2005 McGraw Hill] ) of an optical system expresses the diameter of the entrance pupil in terms of the focal length of the lens; …
47Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… …
48Continuously variable transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic Dual …
49Circle — This article is about the shape and mathematical concept. For other uses, see Circle (disambiguation). Circle illustration showing a radius, a diameter, the centre and the circumference …
50mathematics — /math euh mat iks/, n. 1. (used with a sing. v.) the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically. 2. (used with a sing. or pl. v.) mathematical procedures,… …
