单词	古代觀象儀
释义	同Astrolabe
随便看	redundant equation redundant expression redundant expression elimination redundant fan redundant fault redundant file redundant flow signal redundant force redundant information redundant instrumentation redundant location system redundant logic circuit redundantly redundant member redundant memory unit redundant mobility of a robot redundant mobility of robot redundant n-ary signal redundant navigation redundant node redundant number redundant number system redundant observation redundant operation redundant operation elimination