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...
She applies deodorant to her armpits after she showers.沐浴后,她在腋下涂上除臭剂.The coat needs to be eased under the armpits.这件上衣的兢肯需放一放.He rubbed some deodorant under his armpits before dressing.穿衣时,他往腋下擦了些防臭剂....