“acoustic spectrum”的概念、定义、翻译、参考文献-科学参考

单词	acoustic spectrum
释义	acoustic spectrum [ǝ`küs·tik `spek·trǝm] ^ACOUSTICS The range of acoustic frequencies, extending from subsonic to ultrasonic frequencies, that is, approximately from zero to at least 1 megahertz.
随便看	syrinx Syrphidae syserskite sysgen SYSIN syssiderite Systellomatophora system system analysis systematic analog network testing approach systematic desensitization systematic distortion systematic error systematic error-checking code systematic joints systematic nomenclature systematics systematic sampling systematic support system bandwidth system calendar system call system catalog system chart system check

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。