¼±Åà - È­»ìǥŰ/¿£ÅÍŰ ´Ý±â - ESC

 
"PPM"¿¡ ´ëÇÑ ¼¼ºÎ °Ë»ö °á°úÀÔ´Ï´Ù
KMLE À¥ ¿ë¾î ¸ÂÃã °Ë»ö °á°ú : 1 ÆäÀÌÁö: 6
ppm Part Per Million, a measure for tiny quantities, usually used instead of percent.
Ãâó: www.eecis.udel.edu/~ntp/ntpfaq/NTP-g-all.htm
ÀÌ ¾Æ·¡ ºÎÅÍ´Â °á°ú°¡ ¾ø½À´Ï´Ù.
KMLE À¥ ¿ë¾î À¯»ç °Ë»ö °á°ú : 0 ÆäÀÌÁö: 6
ÅëÇÕ°Ë»ö ¿Ï·á