ãã¼ã¿ãã¼ã¹ã®è¨è¨ã¯ãæ å ±ã®æ´çã¨ã¢ã¯ã»ã¹æ§ãæé©åããããã®éè¦ãªè¦ç´ ã§ãã é層åãã¼ã¿ãã¼ã¹ã¢ãã«ã¯ããã®åã®éãããã¼ã¿ãé層æ§é ã§è¡¨ç¾ãããã®ã§ãããã®è¨äºã§ã¯ãé層åãã¼ã¿ãã¼ã¹ã®å®ç¾©ãåºæ¬æ§é ã主ãªç¨éãã¡ãªããã解説ãã¾ããã¾ããå ·ä½çãªä½¿ç¨ä¾ã¨ãã¦ãã¡ã¤ã«ã·ã¹ãã ãé¨åãªã¹ãï¼BOM: Bill of Materialsï¼ã«ã¤ãã¦ãç´¹ä»ãã¾ãã é層åãã¼ã¿ãã¼ã¹ã®èæ¯ã¨æ´å² é層åãã¼ã¿ãã¼ã¹ã®èµ·æºã¯ã1960年代ã«IBMãéçºãããæ å ±ç®¡çã·ã¹ãã ï¼IMSï¼ãã«ã¾ã§ããã®ã¼ãã¾ãã 彿ã®ã³ã³ãã¥ã¼ã¿ã·ã¹ãã ã¯ããã¼ã¿ã®å¦çè½åãç¾å¨ã¨æ¯ã¹ã¦éããã¦ããããããã¼ã¿ã®ç®¡çã¨æ¤ç´¢ãæé©åããããã«é層æ§é ãæ¡ç¨ããã¾ããããã®å¾ãé層åãã¼ã¿ãã¼ã¹ã¯ãã¡ã¤ã«ã·ã¹ãã ãé¨åãªã¹ãï¼BOMï¼ã®ç®¡çãªã©ãç¹å®ã®ãã¼ãºã«å¯¾å¿ããå½¢ã§åºã使ç¨ããã¦ãã¾ããã ãããããã®æè»æ§ã®


{{#tags}}- {{label}}
{{/tags}}