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English Translations » 化工分析圈 » 【Daily Question】Chemical Analysis Edition, 2020.2.18

【Daily Question】Chemical Analysis Edition, 2020.2.18

2020-02-18View Original

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This post was last edited by zjp on 2020-2-18 08:57. Multiple-choice question: When sampling a particular type of coal, which of the following relationships among the coal samples is correct? () A. Sub-sample < Total sample < Sampling unit B. Sampling unit
Reply #22020-02-18
A. Sample size < Total sample size < Sampling unit

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Translated at 2026-07-23 10:30:17

Original: https://bbs.hcbbs.com/thread-2907971-1-1.html

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