“biquinary abacus”的概念、定义、翻译、参考文献-科学参考

单词	biquinary abacus
释义	biquinary abacus [bī`kwin·ǝ·rē `ab·ǝ·kǝs] ^MATHEMATICS An abacus in which the frame is divided into two parts by a bar which separates each wire into two- and five-counter segments.
随便看	kempite kenching Kendall effect Kendall's rank correlation coefficient Kendall's tau Kennard packet Kennedy and Pancu circle Kennedy key Kennelly-Heaviside layer kenophobia Kenoran orogeny kenotron kenozooecium kenozooid kentrolite Kentucky coffee tree Kenyapithecus kenyte kep interlock Keplerian ellipse Keplerian motion Keplerian orbit Keplerian telescope Kepler's equations Kepler's laws

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