溶胶

chéng qū qì róng jiāo zhì liàng nóng dù jí qí shuǐ róng wù nóng dù pǔ biàn gāo yú huán jìng zhì liàng bèi jǐng diǎn

城区气溶胶质量浓度及其水溶物浓度普遍高于环境质量背景点。

The mass concentration of aerosol and the water-soluble density in urban are generally higher than the environment quality background spot.