chemical system短语¹³¹⁶²⁰⁺³ 基本例句 化学剂体系 Structure of the MQAF was characterized by1H NMR and13C NMR, and fluorescence properties of the reaction between MQAF and Cl- were optimized in chemical system. 探针的合成路线简单、快捷，并且通过1H NMR和13C NMR对探针的结构进行了表征，研究了其相关光谱性质。 fabiao