fineness of grain的用法和樣例：
例句
- The Influences of Ti content on austenite gain size and grain coarsening temperature in medium-carbon boron steel have been investigated.
研究了鈦含量對中碳硼鋼奧氏體晶粒度及晶粒粗化溫度的影響。 - Recrystallization and grain growth evolutions during free upsetting are simulated and the influences of lubrication on grain size are analyzed.
模擬了自由鐓粗中再結晶和晶粒長大演化過程並分析潤滑情況對鍛件晶粒度的影響。
