Fassn.法斯FASabbr.船边交货价格(=free alongside ship)abbr.胎儿酒精综合症(=fetal alcohol syndrome)abbr.一级和二级(firsts and seconds)FASB Financial Accounting Standards Boards财务会计标准委员会fasciculus longitudinalis inferior cerebri大脑下纵束fasciculus longitudinalis superior cerebri大脑上纵束fasciculi proprii dorsales medullae spinalis脊髓背侧固有束fasciculi proprii ventrales medullae spinalis脊髓腹侧固有束fasciculi proprii posteriores medullae spinalis脊髓后固有束fasciculus longitudinalis medialis medullae oblongatae延髓内侧纵束fasciculi longitudinales ligamenti cruciformis atlantis寰椎十字韧带纵束