本发明提供一种用来将一输入信号降频为一输出信号的混频器.The invention provides a mixer which an input signal into an output signal through frequency reduction.直接降频转换接收器架构能够以较低成本提高无线系统基站接收器的性能.Framework of direct - down conversion receiver can provi...
In the corridors he let her navigate her own way round the trolleys and other obstacles.在通道里，他让她自己小心地绕过小推车和其他障碍物。He left her to navigate her own way round the trolleys and other obstacles.他扔下她一个人在一堆手推车和其他障碍物之间绕来绕去。We pro...
特拉斯科特说话啰唆，让人很难分清哪是纯粹的事实哪是添油加醋的修饰之辞。Truscott's verbosity made it hard to separate plain fact from decorative embellishment.她修饰了一下自己的妆容。She retouched her make-up.她很聪明地把自己修饰打扮了一番。She had wisely smartened herself up....
原子破冰船穿过冰山之间向前航行.The atomic icebreaker reeved the icebergs.使用此作为破冰船!Use this as an icebreaker!航游期间, 破冰船停在满是浮冰的开放的水域里.During the cruise, the ship stops in open water filled with floating ice....