英语词汇“sampling area ratio”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	sampling area ratio
释义	sampling area ratio sampling area ratio [′sam·pliŋ ¦er·ē·ə ‚rā·shō] (mining engineering) The volume of the soil displaced in proportion to the volume of the sample; a well-designed tool has an area ratio of about 20%.
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