annuity method年金: annuity法: law等额年金法: equal amount payments method; equal annual payments method年金法公债: annuity bond折旧一年金法: depreciation-annuity method下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:年金法,即可在微信中查询翻译