Основи метрології: Нова система одиниць SI

Нова система одиниць SI

Click https://ru.wikipedia.org/wiki/%D0%98%D0%B7%D0%BC%D0%B5%D0%BD%D0%B5%D0%BD%D0%B8%D1%8F_%D0%BE%D0%BF%D1%80%D0%B5%D0%B4%D0%B5%D0%BB%D0%B5%D0%BD%D0%B8%D0%B9_%D0%BE%D1%81%D0%BD%D0%BE%D0%B2%D0%BD%D1%8B%D1%85_%D0%B5%D0%B4%D0%B8%D0%BD%D0%B8%D1%86_%D0%A1%D0%98_(2019) link to open resource.