核子密度 nuclear density

不接触式核子密度计 non-contact nuclear densimeter

核子密度湿度测定 determination of nuclear density-moisture

运用核子密度仪 Nuclear density gauge

核子密度分布 Nucleon Density Distribution

核子密度仪 nuclear density instrument

核子密度计 nuclear density gauge

核子湿度密度仪 nuclear moisture and density meter ; nuclear humidity densitometer

原子核的能阶密度 level densities of nuclei

核周电子密度 Electronic cloud density around the nuclei