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primary standard substance
primary standard substance
英
[primary standard substance]
美
[primary standard substance]
中文释义
[化] 基准物; 基准物质
单词分析
单词结构:
primary standard substance
字母数:26
记忆提示
🎯 重点记忆:
单词拼写:primary standard substance
核心含义:[化] 基准物; 基准物质
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更新时间:2025-12-11 08:52:28