“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	space target surveillance system space technology Space Technology -5 satellite Space Technology Research Vehicle space telemetry space telescope Space Telescope Science Data Analysis System space telescope science data analysis system Space Telescope Science Institute space theory space time space-time spacetime space time adaptive processing spacetime bending space-time block coding space-time Brownian motion space time code space-time code space-time coding space time continuum spacetime continuum space time coordinate spacetime coordinates space time correlation

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。