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Reckoning board
/ɹˈɛkənɪŋ bˈɔːd/
/ɹˈɛkənɪŋ bˈoːɹd/
Noun (1)
"reckoning board"의 정의 및 의미
Reckoning board
명사
01
계산판
a manual calculating tool with rows of beads or counters on rods or wires used for basic arithmetic operations
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