An X ray analysis apparatus has information about a relationship between selection of a measurement type and a replacement work of optical parts and shows, on a screen of a display, graphical information about optical parts which should be changed, to make it easy for {HEAD ~ an operator} to perform {TAIL ~ a preliminary work} before measurement 
An X ray analysis apparatus has information about a relationship between selection of a measurement type and a replacement work of optical parts and shows , on a screen of a display , graphical information about optical parts which should be changed , to make it easy for { HEAD ~ an operator } to perform { TAIL ~ a preliminary work } before measurement
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