“port entry and exit visas”的概念、定义、翻译、参考文献-科学参考

单词	port entry and exit visas
释义	port entry and exit visas 进出港签证
随便看	barrier curb barrier effect barrier energy barrier field barrier film barrier film photocell barrier filter barrier flat barrier-free environment barrier frequency barrier function barrier gate barrier gown barrier grid barrier grid mosaic barrier grid storage tube barrier-grid storage tube barrier height barrier ice barrier injection and transit time diode barrier island barrier island complex barrier lake barrier layer barrier layer capacitor

科学参考收录了1248194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。