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- The attosecond pulse train which are consecutive pulses with same carrier envelope phase can push optical frequency combs in the visible and near infrared wavelength to extreme ultraviolet regions. 利用脉冲间具有相同载波包络相位的阿秒脉冲序列能把可见光波段的光学频率梳向极紫外波段扩展；
- Carrier Envelope Modulation ( CEM ) 载波包络调制
- Financial services - Check carrier envelope specifications 金融服务中支票包封的规范
- 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。
- UWB Carrier Envelope Modulation and Orthogonal Comb Spectrum Correlation Demodulation 超宽带载波包络调制及其频谱相关解调
- 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。
- 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。
- Your carrier for this flight is British Airways. 你的这一班机是英国航空公司的飞机。
- The missile was launched from the aircraft carrier. 导弹是从航空母舰上发射的。
- The commercial carrier is doing a lively business. 那家商务运输公司业务繁忙。
- 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。
- There are several enclosures in the envelope. 信封内装有几份附件。
- An envelope or wrapper for mail. 封套，信封为邮寄而制的信封或封套
- A good way to remove a stamp from an envelope is to soak it off. 从信封上取下邮票的一个好办法就是用水把它泡下来。
