“high frequency”的概念、定义、翻译、参考文献-科学参考

单词	high frequency
释义	high frequency [`hī ¦frē·kwǝn·sē] ^{COMMUNICATIONS} Federal Communications Commission designation for the band from 3 to 30 megahertz in the radio spectrum. Abbreviated HF.
随便看	side draw pin trial trial batch trial fire trial pit trial shots triamcinolone triamylamine triamyl borate triandrous Triangle triangle triangle cut triangle equation triangle inequality triangle of forces triangle of vectors triangle of velocities triangulable space triangular facet triangular ligament triangular matrix triangular method triangular-notch weir triangular numbers

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。