“envelope”的概念、定义、翻译、参考文献-科学参考

单词	envelope
释义	envelope Encyclopedia 工学邮政用品用具释 envelope信封邮寄信函时用以封装书面通信内容和文件的纸质封套。理学病毒的形态结构释 envelope包膜存在于某些病毒外面，包裹并保护病毒核心（衣壳和遗传物质等）的成分。又称囊膜。 Physics envelope①外壳 ②包络，包迹 Mathematics envelope包络 Astronomy envelope包层; 包络 Biology envelope包膜；被膜
随便看	regular arrow regular astroid regular A-system regular automatic bowling technique regular automorphism regular Banach space regular base regular basis regular block regular block design regular Borel measure regular boundary regular boundary point regular branch regular budget regular canonical system regular cardinal regular cardinal number regular category regular cell complex regular chain regular character regular circular cone regular circular cylinder regular circumscribed polygon

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。