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| retroespalhamento; retrodifusão; retrodispersão | |||
| backscatter (A bounced mail or a Delivery Status Notifications (DSN) for mail with a forged "Sender" field in the P1 header, that was never sent from addresses in the addressee's organization) | |||
| 英语 词库 | |||
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| BS | |||
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backscatter : 12 短语, 5 学科 |
| 卫生保健 | 1 |
| 技术 | 3 |
| 放射学 | 1 |
| 电子产品 | 5 |
| 通讯 | 2 |