bi·ax·i·al /(ˌ)baɪˈæksiəl/
(a.)[光學] 二軸的
Bi·ax·al Bi·ax·i·al a. Opt. Having two axes; as, biaxial polarization; biaxial crystals. --Brewster. -- Bi*ax*i*al*ly, adv.
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biaxial
adj : having two axes; "biaxial crystals" [syn: biaxal, biaxate]