因此一个化纤长丝是以它的旦尼尔数和它纱线中的纤维数为特征的。

Thus a filament yarn is characterized by its denier and the number of fibers in the yarn.

youdao

我用我袜子的旦尼尔数作为方程的基数，因为那就够帮任何人度过寒冷且大风的天气了。当天气暖和明媚，建议的旦尼尔数就会减少。

I made those tights my basis for the formula because they should see anybody through cold and windy weather, and then when it's lovely and sunny, the denier recommendation reduces.

youdao