题目内容
organic acids _____________。
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achievement _____________。
In the long term biotechnology offers a means of solving some major world problems, in particular those related to medicine, food production, pollution control and the development of new energy sources.
Biotechnology has been defined as a subject that uses biological organism, systems or processes to manufacture industrial products.
可以作为块的属性的字段的类别不包括以下哪些选项?
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