These results provided a direct support for "cold-brewing tea" development.

这一结果为开发“冷泡茶”提供了直接支持。

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To ensure the safety of cold-brewing tea, it is necessary to conduct the research on its property and safety.

“冷泡茶”是一种新型茶类，为确保产品的安全性，对“冷泡茶”进行安全性评价研究很有必要。

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