nanaometer titania的用法和樣例：
例句
- In this paper the general situation of preparation of nano titania was reviewed.
綜述了納米二氧化鈦的各種製備方法以及研究進展。 - The principle each method was introduced.Properties of titania prepared by all the method were compared.And, the characteristics of method were pointed out.
介紹了各種製備技術的基本原理，將各種製備方法製備的納米二氧化鈦的性能進行了比較，並指出了各種製備技術的特點。
