백금족에 속하는 은백색의 전이 금속인 루테늄의 원소 기호.
The chemical symbol for ruthenium, a hard, silvery-white transition metal belonging to the platinum group.
예문:
"Ru is frequently used as an alloying agent to harden platinum and palladium."
"The atomic number of the element represented by Ru is 44."
부룬디에서 등록된 차량임을 나타내는 국제 자동차 식별 기호.
The international vehicle registration code used to identify vehicles from Burundi.
예문:
"The truck crossing the Tanzanian border displayed an RU sticker."
"International regulations require vehicles from Burundi to use the RU identifier."