“abacus”的概念、定义、翻译、参考文献-科学参考

单词	abacus
释义	abacus [`ab·ǝ´kǝs] ^ARCHITECTURE A slab forming the topmost division of the capital of a column. ^MATHEMATICS An instrument for performing arithmetical calculations manually by sliding markers on rods or in grooves.
随便看	off-highway truck off-highway vehicle off-hook off-hook service office automation official master drawing officials' inspection lamp offing offlap off-line off-line cipher off-line computer off-line equipment off-line mode off-line operation off-line processing off-line storage off-line unit off-lining offload off-peak off-punch off-reef facies off-road vehicle offset

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