materials preparation的用法和樣例：
例句
- The present paper will chiefly review the important role of organic macromolecules in the preparation of ordered porous materials.
文中主要介紹有機大分子在有序多孔材料制備中的應用。 - The application and the progress in the preparation of nanometer sized materials by molecular self assembly method are reviewed.
對分子自組裝技術(shù)在納米材料制備方面的應用及其研究進(jìn)展作了綜述報導。
