“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	polycystic ovary syndrome polycythemia vera polydactyly poly (decamethylene sebacate) polydecker sandwich complex polydentate ligand polyderm polydesmic process Polydeuces polydibenzosilole polydiene poly(dimethyl-diallyl ammonium chloride) polydioptric camera poly (diphenyl ether sulfone) polydirectional polydisc polydisk polydisk algebra polydisperse polydisperse polymer polydisperse polymer; non-uniform polymer polydispersity polydispersity index of relative molecular mass polydispersity index (PDI) of relative molecular mass polydispersity of colloidal particles

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。