前躯体形貌与最终的氧化物产品形貌存在一定的相似性，均是由小颗粒形成的团聚体，但颗粒粒度存在较大差异。

There were some similar appearances between the precursor and the final product, which were formed by little particles, but the particle size was quite different from each other.

youdao

前躯体形貌与最终的氧化物产品形貌存在一定的相似性，均是由小颗粒形成的团聚体，但颗粒粒度存在较大差异。

There were some similar appearances between the precursor and the final product, which were formed by little particles, but the particle size was quite different from each other.

youdao