very high research activity
非常高的研究活动
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The research reports in this field are very few because the investigation is difficult due to the high chemical activity, the structural complexity and the conformational flexibility of enzymes.
其主要原因是由于这些酶具有高化学活性、结构复杂性、构象易变性等特点，因此，研究较难。
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