“postage vouchers”的概念、定义、翻译、参考文献-科学参考

单词	postage vouchers
释义	postage vouchers Encyclopedia 工学邮资凭证释 postage vouchers邮资凭证由国家（地区）邮政部门发行的，作为邮件纳费标志的有价票证。包括邮票、印在邮资信封、邮资明信片、邮资邮简、邮资信卡上的邮资图案，邮资机打印的邮资符志，以及国际回信券。
随便看	spectroscopic survey Spectroscopic Survey Telescope Spectroscopic survey telescope spectroscopic term spectroscopic term of atom [spectroscopic] term series spectroscopic term series spectroscopist spectroscopy spectroscopy by prism spectroscopy in characterization of polymer structure spectroscopy logging device spectroscopy thermometry spectrosensitogram spectrosensitometer spectrosensitometry spectrosil spectrum spectrum access spectrum aggregation spectrum allocation spectrum analysis spectrum analysis fault diagnosis method spectrum analysis of road surface spectrum analyzer

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