常见的口译速记符号有：
　　omit vowels, retain only enough consonants to give a recognizable skeleton of the word.
ppd = prepared
　　prblm = problem
　　estmt = estimate
　　bkgd = background
　　gvt = government
　　use an apostrophe in place of letters.
　　am't = amount
　　cont'd = continued
　　gov't = government
　　educat'l = educational
　　form the plural of a symbol or abbreviated word by adding s.
　　chpts = chapters
　　egs = examples
　　fs = frequencies
　　intros = introductions
　　use g to represent ing endings.
　　ckg = checking
　　estg = establishing
　　decrg = decreasing
　　exptg = experimenting
　　use symbols for commonly recurring connective or transitional words.
　　& = and
　　w/ = with
　　w/o = without
　　vs = against
　　\ = therefore
　　= = is or equal
　　use technical symbols where applicable.
　　o = degrees
　　h2o = water
　　more reference:
　　use standard maths, accounting, and science symbols.
　　examples:
　　+ plus
　　// parallel

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