
bk (1)银行 bank. (2)书籍;帐簿 book. (3)延期交割费;差价 见backwardation.
BK 退格,回退
Bk n. 放射性元素锫(Berkelium)
berkelium(Bk) 锫
bk. (1)银行 bank. (2)书籍;帐簿 book. (3)延期交割费;差价 见backwardation.
bk (1)银行 bank. (2)书籍;帐簿 book. (3)延期交割费;差价 见backwardation.
BK 退格,回退
Bk n. 放射性元素锫(Berkelium)
berkelium(Bk) 锫
bk. (1)银行 bank. (2)书籍;帐簿 book. (3)延期交割费;差价 见backwardation.