| 单词 | surface-acoustic-wave device |
| 释义 | surface-acoustic-wave device [`sǝr·fǝs ǝ`kü·stik `wāv di´vīs] ELECTRONICS Any device, such as a filter, resonator, or oscillator, which employs surface acoustic waves with frequencies in the range 107-109 hertz, traveling on the optically polished surface of a piezoelectric substrate, to process electronic signals. |
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