Duba zuwa sashi na ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda sashi: Passage: Tsarin ya dogara ne akan girman da ke ƙarƙashin kowane ɗayan rukunoni bakwai na SI. Sauran adadi, kamar yanki, matsin lamba, da juriya na lantarki, ana samo su ne daga waɗannan adadi na asali ta hanyar daidaitattun daidaitattun daidaito. ISQ ya bayyana girman da aka auna tare da raka'a SI. An bayyana ISQ a cikin ƙa'idar ƙasa da ƙasa ISO / IEC 80000, kuma an kammala shi a cikin 2009 tare da buga ISO 80000-1. Tambaya: Yaushe aka kammala ISQ?
Shekarar 2009