n. 小束, 纤维束, 分册

[医] 束

[ noun ]
a bundle of fibers (especially nerve fibers)
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Fasciculus \Fas*cic"u*lus\, n.; pl. {Fasciculi}. [L. See
{Fascicle}.]
1. A little bundle; a fascicle.

2. A division of a book.