A minute study on isoprene and its affecting factors is made.

对异戊二烯及其影响因子进行了详细研究。

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Its forecast is difficult due to too many affecting factors.

由于其受多种因素影响，对其预测相对困难。

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Its forecast is difficult due to too many affecting factors.

由于其受多种因素影响，对其预测相对困难。

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