英语词汇do a sum by proportion怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	do a sum by proportion
释义	do a sum by proportion 简明释义按比例算
随便看	Deoxypeganine deoxypentose deoxypentosenucleic acid deoxyphloridzin deoxyphorbol deoxypodophyllotoxin deoxypridoxine deoxypyridinoline deoxypyridoxine deoxyrhapontin deoxyriboaldolase Deoxyribodipyrimidine endonucleosidase deoxyribofuranose deoxyribofuranoside deoxyribomutase deoxyriboneucleic deoxyribonuclease deoxyribonuclease B deoxyribonuclease,DNase deoxyribonuclease(DNase) deoxyribonuclease, DNase deoxyribonuclease (DNase) Deoxyribonuclease EcoRI Deoxyribonuclease I deoxyribonuclease micrococcal

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