A.指示劑在變色點(diǎn)時(shí),[HIn]=[In] B.指示劑在變色點(diǎn)時(shí),pH=pKHInθ C.指示劑的變色范圍是變色點(diǎn)的pH±1 D.指示劑的變色點(diǎn)與溫度無(wú)關(guān)