This paper had investigated fiber form and crystalline degree of Larix kaempferi in different tree age and different vertical location within a stem.

为深入了解日本落叶松的纤维特性，该研究对不同树龄和不同部位日本落叶松的纤维形态和纤维素结晶度进行了分析。

youdao

In one way or another, atoms of different elements are brought close together to form their crystalline lattices.

ECONOMIST: Minerals