“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	single origin single pair fluorescence resonance energy transfer single-pair high-bit-rate digital subscriber loop，SHDSL single-pair mating design single pan balance single-parent children single parent family single particle single-particle distribution function single particle energy level single-particle energy level single-particle excitation single particle freely suspension flow single-particle Green's function single particle in the central potential single-particle model single particle partition function single-particle partition function single-particle propagator single particle state single-particle state single particle tracking single-particle tracking single-particle tunnelling single-pass gain

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。