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And each subject of scientific studies is a balance theory about a specific field.
各门科学也都是一个个具体行业的平衡论。
youdao
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It has been shown in a number of studies to improve nitrogen balance.
许多研究已证明这能改善氮平衡。
youdao
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It has been shown in a number of studies to improve nitrogen balance.
许多研究已证明这能改善氮平衡。
youdao