“A scale”的概念、定义、翻译、参考文献-科学参考

单词	A scale
释义	A scale [`ā ´skāl] ^ACOUSTICS A system used to filter out sound below 55 decibels; its characteristics are equal to those of the human ear.
随便看	spark lead sparkle metal spark machining sparkover sparkover-initiated discharge machining sparkover voltage spark photography spark plate spark plug sparkproof spark range spark recorder spark spectrum spark suppressor spark test spark-tracing method spark transmitter spark voltage Sparnacean Sparrow's criterion sparry calcite sparry cement sparry iron sparse matrix sparseness

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。