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progression 音标拼音: [prəgr'ɛʃən] n. 前进,连续,级数 前进,连续,级数 progression级数 progression n 1: a series with a definite pattern of advance [ synonym: { progression}, { patterned advance}] 2: a movement forward; " he listened for the progress of the troops" [ synonym: { progress}, { progression}, { advance}] 3: the act of moving forward ( as toward a goal) [ synonym: { progress}, { progression}, { procession}, { advance}, { advancement}, { forward motion}, { onward motion}] [ ant: { retreat}] Progression \ Pro* gres" sion\, n. [ L. progressio: cf. F. progression.] [ 1913 Webster] 1. The act of moving forward; a proceeding in a course; motion onward. [ 1913 Webster] 2. Course; passage; lapse or process of time. [ 1913 Webster] I hope, in a short progression, you will be wholly immerged in the delices and joys of religion. -- Evelyn. [ 1913 Webster] 3. ( Math.) Regular or proportional advance in increase or decrease of numbers; continued proportion, arithmetical, geometrical, or harmonic. [ 1913 Webster] 4. ( Mus.) A regular succession of tones or chords; the movement of the parts in harmony; the order of the modulations in a piece from key to key. [ 1913 Webster] { Arithmetical progression}, a progression in which the terms increase or decrease by equal differences, as the numbers [ lbrace2] 2, 4, 6, 8, 1010, 8, 6, 4, 2[ rbrace2] by the difference 2. [ 1913 Webster] { Geometrical progression}, a progression in which the terms increase or decrease by equal ratios, as the numbers [ lbrace2] 2, 4, 8, 16, 32, 6464, 32, 16, 8, 4, 2[ rbrace2] by a continual multiplication or division by 2. [ 1913 Webster] { Harmonic progression}, a progression in which the terms are the reciprocals of quantities in arithmetical progression, as 1/ 2, 1/ 4, 1/ 6, 1/ 8, 1/ 10. [ 1913 Webster] 157 Moby Thesaurus words for " progression": Great Leap Forward, Indian file, accomplishment, advance, advancement, alternation, amelioration, amendment, amplification, array, articulation, ascension, ascent, bank, bettering, betterment, blossoming, boost, broadening, buzz, catena, catenation, chain, chain reaction, chaining, coming after, concatenation, connection, consecution, consecutiveness, continualness, continuance, continuation, continuity, continuum, course, cycle, descent, development, developmental change, drone, elaboration, elevation, endless belt, endless round, endurance, enhancement, enlargement, enrichment, eugenics, euthenics, evolution, evolutionary change, evolvement, evolving, expansion, explication, extending, extension, file, filiation, flow, flowering, following, furtherance, gamut, geometrical progression, gradation, gradual change, growth, headway, hum, improvement, intensification, lengthening, lift, line, lineage, logical sequence, maintenance, maturation, melioration, mend, mending, monotone, natural development, natural growth, nexus, nonviolent change, order, order of succession, pendulum, periodicity, perpetuation, perseverance, persistence, pickup, plenum, posteriority, postposition, powder train, preferment, procession, progress, prolongation, promotion, protraction, pursuance, queue, range, rank, recovery, recurrence, repetition, restoration, reticulation, revival, ripening, rise, rotation, round, routine, row, run, scale, sequel, sequence, series, single file, spectrum, spread, spreading, staying power, straight course, string, subjunction, succession, successiveness, suffixation, sustained action, sustenance, swath, thread, tier, train, unfolding, uninterrupted course, unremittingness, upbeat, upgrowth, uplift, upping, upswing, uptrend, upward mobility, way, windrow
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