单词 | range |
释义 | range [rānj] CIVIL ENGINEERING Any series of contiguous townships of the U.S. Public Land Survey system. COMMUNICATIONS 1. In printing telegraphy, that fraction of a perfect signal element through which the time of selection may be varied to occur earlier or later than the normal time of selection without causing errors while signals are being received; the range of a printing telegraph receiving device is commonly measured in percent of a perfect signal element by adjusting the indicator. 2. Upper and lower limits through which the index arm of the range-finder mechanism of a teletypewriter may be moved and still receive correct copy. CONTROL SYSTEMS 1. The maximum distance a robot's arm or wrist can travel. Also known as reach. 2. The volume comprising the locations to which a robot's arm or wrist can travel. ECOLOGY The area or region over which a species is distributed. ENGINEERING 1. The distance capability of an aircraft, missile, gun, radar, or radio transmitter. 2. A line defined by two fixed landmarks, used for missile or vehicle testing and other test purposes. MATHEMATICS The range of a function f from a set X to a set Y consists of those elements y in Y for which there is an x in X with f (x ) = y. MECHANICS The horizontal component of a projectile displacement at the instant it strikes the ground. NAVIGATION 1. A line of bearing defined by a radio range. 2. See <<radio range>> NUCLEONICS The distance that a given ionizing particle can penetrate a given medium before its energy drops to the point that the particle no longer produces ionization. PHYSICS The greatest distance between two particles at which a given force between them is appreciable. STATISTICS The difference between the maximums and minimums of a variable quantity. |
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