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| envelope (Header and footer information, or header information only, which encapsulates or precedes document data for transport); envelope (Header and footer information, or header information only, which encapsulates or precedes document data for transport) | |||
| envelope | |||
| transmission envelope | |||
| envelope of a letter | |||
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| envelopes stationery | |||
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envelop : 11 短语, 7 学科 |
| 一般 | 1 |
| 卫生保健 | 1 |
| 微软 | 2 |
| 法律 | 1 |
| 爱好和消遣 | 1 |
| 行业 | 1 |
| 通讯 | 4 |