英语词汇“directional”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	directional
释义	di·rec·tion·al \-shən^əl, -shnəl\ adjective 1. : relating to direction in space: a. : moving, aiming, or leading in some particular direction < a strictly directional flight on a great circle > < directional lines showing winds and ocean currents > b. : suitable or used for detecting the direction in which or from which signals are received < plot position by directional radio > < flying on the beam of a directional radio range > c. : so designed that performance depends on direction or is restricted in direction : more effective in some directions than others < a polarized directional electromagnet controls the position and shape of the tail flame — J.K.Elderkin > < the use of directional broadcasting techniques had made it possible to increase the number of radio stations — F.L.Mott > specifically : narrowly selective as to direction in the emission or reception of signals < a highly directional microphone picks up sounds coming from a single direction > < that a Geiger-Müller tube cannot be made directional enough and still retain any measure of workable sensitivity — Surgical Forum > d. of sound : controlled for giving depth and realism in motion pictures by the use of several sound tracks recorded at different parts of the set or location e. : indicating the direction in which something lies or the direction to take or about to be taken < a directional airway marker > < directional arrows for facilitating movement of traffic > < flashing directional signals for motorcars and trucks > 2. : relating to direction (as of thought, effort, or culture): a. : aimed or moving in the direction of one or another object, objective, or condition < the picture presented is frankly chaotic; it is hard to recognize in it any unifying pattern, any directional trends — V.G.Childe > < the directional quality of cultural change > b. : constitutive of purpose or motivation 3. a. : consisting of or imposing direction or guidance < the directional role that profits play under capitalism > b. : suitable or contributory to the direction of dramatic performance < good plays and even good directional ideas frequently take on a distressingly ragged aspect in performance — H.E.Clurman > c. of an oil-well drilling : made at an angle with the vertical
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