“upgrade”的概念、定义、翻译、参考文献-科学参考

科学参考收录了5291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。

单词	upgrade
释义	upgrade
随便看	SDTV (Standard Definition TeleVision) seamless search engine SECAM (Séquential Couleur Avec Mémoire) SECBR (Severely Errored Cell Block Ratio) second secondary domain Second Computer Inquiry secret-key encryption Section Overhead (SOH) section terminating equipment (STE) Secure European System for Applications in a Multivendor Environment (Sesame) Secure Hypertext Transport Protocol (S-HTTP) Secure Multipurpose Internet Mail Extension (S/MIME) Secure Sockets Layer (SSL) security security security security management seed rod segment segmentation segmentation and reassembly (SAR) seizure selective call acceptance