in-phase opposition 基本例句 反相 In fewer words it can be really tough to write a good RP.在少的话，它真的可以强硬写一个良好的反相。 The stability of Norpin syrup was studied by reverse phase ion pair high performance liquid chromatography.建立了离子对反相高效液相色谱分析方法考察复方制剂诺平糖浆口服液的稳定性。