“首日封”的概念、定义、翻译、参考文献-科学参考

单词	首日封
释义	首日封 Encyclopedia 工学集邮品释 first day cover首日封在新邮票发行首日，将该套邮票的全套或单枚贴在特制信封、普通信封或纪念信封的右上角，加盖当日邮政日戳或特制的首日纪念邮戳的信封。
随便看	lattice-based cryptanalysis lattice-based cryptography lattice basis reduction lattice binding lattice Boltzmann method lattice Boltzmann simulation lattice-Boltzmann simulation lattice cell lattice circuit lattice-closed class of algebras lattice code lattice computations lattice cone lattice constant lattice construction lattice coordination number lattice correspondence lattice covering latticed lattice defect lattice-definable algebra lattice deformation lattice design lattice design of experiment lattice diagram

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。