This paper introduced the process and quality level of using orange juice as raw material to produce vinegar by alcoholic and acetic acid fermentation.

本文介绍了用桔子汁为原料，经酒精发酵和醋酸发酵生产果醋的工艺及其产品的质量特点。

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The only predictors of high scores on the test were the mother's level of education, the quality of child care and the number of different words the father used.

只有母亲的教育水平、孩子的照料质量和父亲使用的词汇量能有效预测孩子在考试中能取得高分。

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On the social level, improvement in the quality of life can contribute greatly to social harmony.

在社会层面，生活质量的提高非常有助于社会和谐。

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They know it will come. They know that it will be of a certain level of quality."

VOA: standard.2009.08.31

Because it's not just information that determines our wellbeing, our success, our self-esteem, our motivational level, the relationship and the quality of our relationships.

因为信息无法决定我们的幸福感，我们的成功，自尊，动机水平，两性关系及其质量。

哈佛公开课 - 幸福课课程节选

Our audience support team is committed to serving your needs, and we re excited to offer this high quality level of support on Twitter.

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But with emerging technologies, raw biogas can be stripped of carbon dioxide and other trace gases, bringing it up to the quality level of natural gas.

FORBES: Biogas and the Shale Gas Bonanza

The diminishing returns may continue for "Revolution, " as the franchise seems to be teetering dangerously close to the quality level of long-running direct-to-video spinoff series like Bring It On and American Pie.

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