number scalenumerical index数: frequently; repeatedly标: Rockwell A scale半对数标度: semi logarithmic scale; semilogarithmic scale鼻指数标记: nose index marker波数标度: wave-number scale下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:数标,即可在微信中查询翻译