结果表明，加工历史对尼龙的结晶和熔融行为影响很大。
The results showed that the processing history had a great influence on the crystallization and melt behavior of nylons.
与食品加工历史有关第二个共同点是延长产品货架期所带来的好处。
The second common factor associated with the history of food processing is the interest in extending the shelf life of the product.
《科学》杂志上的一项研究发现，人类加工食用谷物的历史可以回溯到十万年前。
A study in the journal Science finds evidence that early modern humans were making use of grains, which required significant processing before eating, 100,000 years ago.
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