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secondary standard substance
secondary standard substance
英
[secondary standard substance]
美
[secondary standard substance]
中文释义
[化] 副基准物
单词分析
单词结构:
secondary standard substance
字母数:28
记忆提示
🎯 重点记忆:
单词拼写:secondary standard substance
核心含义:[化] 副基准物
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更新时间:2026-02-05 03:42:00