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- Mohr envelope theory 莫尔包络线理论
- Based on data envelopment theory, this paper measures the technical efficiency of 11 main commercial banks in China from 1999 to 2006. 摘要基于数据包络理论，本文研究了我国11家主要商业银行1999-2006年的技术效率状况。
- Have you stuck down the back of the envelope? 信封背面开口处贴牢了吗？
- He steamed the stamp off the envelope. 他用蒸汽把信封上的邮票揭下来。
- He glued a stamp onto the envelope. 他把邮票贴在信封上。
- As he picked up the envelope, a key dropped out. 他拣起信封时，一把钥匙掉了出来。
- As she picked up the envelope, a key dropped out. 她拾起信封时，一把钥匙掉了出来。
- He tried in every way to verify this theory. 他想一切办法来验证这个理论。
- Put a stamp on the envelope, will you? 在信封上贴张邮票，好吗？
- He stuck a stamp on the envelope. 他在信封上贴上邮票。
- I entirely approve of that theory. 我完全赞成那种理论。
- Einstein put forward his new theory of relativity. 爱因斯坦提出了相对论的新学说。
- She opened the envelope with her fingertips. 她用指尖弄开了信封。
- The envelope's seal was torn open. 信封封缄被撕开了。
- The (flap of the) envelope was unstuck. 信封(的封口)没粘住。
- This concept is at the very core of her theory. 这个概念是她理论的核心。
- There are several enclosures in the envelope. 信封内装有几份附件。
- Einstein's theory of relativity. 爱因斯坦的相对论。
- Practical experience belies this theory. 实际经验证明这个理论是错误的。
- An envelope or wrapper for mail. 封套，信封为邮寄而制的信封或封套
