“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	ascending node ascending normal series ascending order ascending order of powers ascending phase ascending powers ascending power series ascending reticular activation ascending sequence ascending series ascending the clear and descending the turbid ascending water electrode ascending，descending，exiting and entering Ascend Sanshan in the Night and Still Look at Jingyi ascension ascensional force ascensional force, lift force ascensional ventilation Ascension Island ascent ascent algorithm ascent direction ascent set Ascent to Mount Tai ascertaining maths according to actuality

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