xTc@ sdZddlmZdZdZdZdZdZdZd Z d Z d Z d Z d Z dZdZdZdZdZdZdZdZdZedkreeeeeee e e e e eeeeeeeeeZeeddkstdGHndS(shttp://en.wikipedia.org/wiki/SI_prefix An SI prefix (also known as a metric prefix) is a name or associated symbol that precedes a basic unit of measure (or its symbol) to form a decimal multiple or submultiple. i(tdivisiongyCxDgPKDgNgmCg4&k CgmBgeAg.Ag@@gY@g$@g?g{Gz?gMbP?gư>g& .>g-q=gV瞯s2 R