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...
Buying budget-priced furniture needn't mean compromising on quality or style.买价钱经济的家具并不意味着就要牺牲质量和样式。Today's organic wine producer is typically a small, quality-conscious family concern.现今的有机葡萄酒生产商一般是注重品质的小型家族企业...
The seagulls swirled in aerial combat over the barges.海鸥盘旋在驳船上方，展开空中的搏斗。a flock of seagulls一群海鸥Seagulls followed in the wake of the huge ship.海鸥尾随于大船之后....
这些光缆可以用于新型电话通讯系统。These optical fibres may be used for new sorts of telephony.该组织现有大约18,000名成员，他们会收到一份内部通讯季刊。The organization now has around 18,000 members who receive a quarterly newsletter.我们试着破坏他们的通讯设备吧。Let's try ...
他昨天去世了，关系疏远的儿子没来作最后的道别。He was laid to rest yesterday without a final goodbye from his estranged son.这个穿上军装的疏远的倔强的儿子,还是离家为好.This strange stiff son in the uniform is best way from home.他脸上带着一种淡漠而疏远的表情.His face assumed an e...
When they weren't looking, I'd grab their stuff, right, Deco?趁他们不注意的时候, 我会偷走他们的衣服对吧, 德科?Chelsea lost more rhythm when Deco was substituted Miroslav Stoch.德科被斯托奇替换之后,切尔西更加找不到节奏了.It was built of red brick and had...