The if circuit boarddeals with the signal amplification and filtering functions.
系统通过中频电路板实现对信号的放大和滤波等作用。
2
Massey, 71, has been a member of the Bank of America board since 1998 and during that time approved all of the Lewis deals that many shareholders were protesting by their votes.
He references one of his biggest mistakes as giving veto power to two investors on his board of directors, who abused that power and blocked him from doing good deals sometimes.