density fluctuations

• 密度变化

density fluctuations的用法和样例：

例句

1. Relationship between change of bone mineral density and Alzheimer's disease.
   骨矿密度变化与老年痴呆的发生关系。
2. It yields a long density range, and its development latitude allows push processing with relatively low fog.
   它将产生高密度变化范围，同时显影过程允许进行会造成相关联的低灰雾的迫冲。