mean particle size的用法和樣例：
例句
- The results indicated that ultrasonic treatment could increase the solubility and decrease the particle size of dyes.
結果表明，在超聲波處理條件下，染料的溶解度增加，平均粒度下降。 - Index based on coal properties shows that coal properties principally affect the forming of big FA and the average volume size of FA, and less to small FA.
飛灰粒度特性綜合指數表明，煤質(zhì)主要影響到粗粒度飛灰的形成及飛灰的體積平均粒度，而對細粒度飛灰的形成影響很小。
