“签单返还”的概念、定义、翻译、参考文献-科学参考

单词	签单返还
释义	签单返还 Encyclopedia 工学快递增值业务释 receipt collect service签单返还应寄件人要求，快递企业在投递快件后，将收件人签收或盖章后的回单等单据返还寄件人的一种快递增值服务业务。
随便看	quotient manifold quotient map quotient mapping quotient measure quotient module quotient monoid quotient morphism quotient norm quotient object quotient of ideals quotient of language quotient of polynomials quotient of two numbers quotient orientation quotient polygon quotient relation quotient representation quotient ring quotient ring; factor ring quotient rule quotient semigroup quotient seminorm quotient sequence quotient set quotient sheaf

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。