“ultrasonics”的概念、定义、翻译、参考文献-科学参考

单词	ultrasonics
释义	ultrasonics [¦ǝl·trǝ`sän·iks] ^ACOUSTICS The science of ultrasonic sound waves.
随便看	palevent palichnology palilalia palimpsest palindrome palingenesis palingenetic palinspastic map Palinuridae palisade cell Palisade disturbance palisade mesophyll palisades Palladian window palladium palladium amalgam palladium barrier leak detector palladium chloride palladium gold palladium iodide palladium nitrate palladium oxide pallanesthesia Pallas pallasite

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