求翻译：溶剂性质的改变和体系温度的降低，使碳酸铵、碳酸氢铵和醋酸铵等铵盐的溶解度大幅度下降，这些铵盐达到过饱和状态，迅速形成大量的超细铵盐晶核是什么意思？

Solvent changes in the nature and the system temperature decreases, the solubility of ammonium carbonate, ammonium bicarbonate and ammonium acetate, ammonium salt to a significant decline, These ammonium reach the saturation, the rapid formation of a large number of ultrafine ammonium salt nuclei

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The solvent nature change and system temperature depression, causes ammonium salt and so on ammonium carbonate, ammonium bicarbonate and ammonium acetate solubility large scale drops, these ammonium salt achieved the oversaturation condition, forms the massive superfine ammonium salt nucleus rapidly

Solvent properties change and reduce system temperature, ammonium carbonate, ammonium salts such as Ammonium bicarbonate and acetic acid solubility of sharp decline, the ammonium salt has reached saturation quickly formed a lot of Superfine ammonium salt nuclei

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