“musical echo”的概念、定义、翻译、参考文献-科学参考

单词	musical echo
释义	musical echo [`myü·zǝ·kǝl `ek·ō] ^ACOUSTICS A musical tone produced by the reflection of an impulsive sound from a stepped structure such as a picket fence, when reflections from successive steps reach the observer with suitable frequency.
随便看	trowel troweling machine troy ounce troy pound superadiabatic lapse rate superaerodynamics superalloy supercalendered finish supercalendering supercapillary interstice supercavitating propeller supercentrifuge supercharge method supercharger supercharging superchip supercilium supercluster supercobalt drill supercoiling supercompressibility factor supercomputer superconducting accelerator superconducting alloy superconducting circuit

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