（）is a quantitative spectroscopic technique that measures the elemental composition, empirical formula, chemical state　and electronic state of the elements that exist within a material.

（）is a quantitative spectroscopic technique that measures the elemental composition, empirical formula, chemical state　and electronic state of the elements that exist within a material.
A.XRDB.EDSC.IRD.XPS

正确答案：XPS

（）is a quantitative spectroscopic technique that measures the elemental composition, empirical formula, chemical state and electronic state of the elements that exist within a material.

（）is a quantitative spectroscopic technique that measures the elemental composition, empirical formula, chemical state　and electronic state of the elements that exist within a material.