平均分子 meaning in Chinese

mean molecule

The region of the atmosphere below 90 km has a nearly constant mean molecular mass, and is therefore called the homosphere .
90公里以下大气区域，具有一个接近恒定的平均分子质量，因此称为均匀层。
Rubber , raw natural - determination of average molecular mass and molecular - mass distribution by size exclusion chromatography
天然橡胶.用粒度分离色谱法测定平均分子质量和分子质量分布