abacus

n. 算盤

學術名詞

• 算盤：電機工程、數學、電子工程、資訊、電力工程
• 淘金盤：礦物學
• 柱頂板：土木工程

英文釋義

1. a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave
2. a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves