| 单词 |
variable-area track |
| 释义 |
variable-area track variable-area track[′ver·ē·ə·bəl ¦er·ē·ə ′trak] (engineering acoustics) A sound track divided laterally into opaque and transparent areas; a sharp line of demarcation between these areas corresponds to the waveform of the recorded signal. |
| 随便看 |
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