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| amplitude modulada (A method of encoding information in a transmission, such as radio, using a carrier wave of constant frequency but of varying amplitude) | |||
| A.M.; modulação de amplitude | |||
| 英语 词库 | |||
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| a-m; a.m. | |||
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amplitude modulation : 41 短语, 7 学科 |
| 信息技术 | 3 |
| 地球科学 | 1 |
| 技术 | 1 |
| 收音机 | 1 |
| 电子产品 | 23 |
| 电报 | 1 |
| 通讯 | 11 |