primary standard

英 [primary standard]
美 [primary standard]

中文释义

[化] 基本标准物质

单词分析

单词结构：

primary standard

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：primary standard
  • 核心含义：[化] 基本标准物质

最近查询：

Caroticocavernous catcher-upper cryogenic expansion machine DCTL circuit de brun-van eckstein rearrangement dentyuous dry mei-yu effective half-word location latiscopids litchenstone murder room parking ability of longitudinal slope railroad stock rocked up set-meter spalding's centroid rule swept frequency trachyneis velata oblonga unthrashed water-consumption

更新时间：2026-01-30 09:05:38