英语词汇“retention standards”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	retention standards
释义	retention standards 释义存留标准行业词典生态学存留标准???为保证生态系统的永续性，有针对性地规定一系列保留的标准。如对某一区域规定在演替后期的丰度和生物多样性的要求。???
随便看	benign mesenchymal tumor benign mesenchymoma benign mesenchymomelanoma benign mesodermal tumor benign mesonephroma benign mesothelioma benign metastasizing goiter benign migratory glossitis Benign miliary Iupoid benign miliary lupus benign mixed tumor benign mole Benign Monoclonal Gammapathies Benign Monoclonal Gammapathy benign monoclonal gammopathies benign monoclonal gammopathy benign mucosal pemphigoid benign mucous membrane pemphigoid Benign mucous membrane pemphigoid with ocular involvement Benign mucous membrane pemphigoid without ocular involvement benign mucous membrane pemphigus benign mucous pemphigoid Benign multirecurrent endothelioleukocytal meningitis benign myalgic encephalitis benign myalgic encephalomyelitis

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retention standards