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secondary standard sample
释义
secondary standard sample
网络
二级标准样
网络释义
1.
二级标准样
二级标准样
(
secondary standard sample
)采用准确可靠的方法或直接与一级标准物质相比较的方法测量标准物质的特性量值， …
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in ... shell
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in-shell
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in-shoe
in ... shoes
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更新时间：2026/8/30 19:48:03