结果表明：用木素部分代替炭黑在套袋期间几乎不影响水果生理保护纸的耐久性。

The results show that: Replacing partly carbon black with lignin hardly influences the endurance of the Fruit Raising Pouch.

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它比其它种类的纸来的厚且较耐久。

It is thicker and more durable than other forms of paper.

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最后进行了水果生理保护纸的老化研究，粗略探讨一下用木素部分代替炭黑是否会影响纸的耐久性。

Finally, we have studied aging of Fruit Raising Pouch and probed whether replacing partly carbon black with lignin will influence the endurance of the Fruit Raising Pouch or not.

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