有用信号,有效信号

desired signal的用法和样例：

例句

In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply.在电子学领域，一种不希望发生的低频电流，它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。

英语四级考试备考之语法练习(6)

1.She likes the _______ flower instead of the natural one. A. article B.adventure C.ancient D.artificial 2.This highway runs _______ to the railway. A. identical B.suitable C.parallel D.distribution 3.The rent for this house is $ 250. But you need al

发表于:2019-01-08 / 阅读(26) / 评论(0)

大学四六级阅读

关于翻译的修改

1）IS-LM 原文：So what determines the level of GDP, and hence also ties down the interest rate? The answer is that you need to add liquidity preference, the supply and demand for money. In the modern world, we often take a shortcut and just assum

发表于:2019-02-01 / 阅读(42) / 评论(0)

考研英语

US, China signal new phase for ties

BEIJING, March 13 (Xinhua) -- Both China and U.S. signaled that the world's two biggest economies should explore a road of new-type relations. The new type of relations between major powers should be based on mutual respect, cooperation and seeking w

发表于:2019-02-03 / 阅读(62) / 评论(0)

英语新闻

英语杂谈：55 The Life I desired

That must be the story of innumerable couples, and the pattern of lifeof life it offers has a homely grace. It reminds you of a placid rivulet, meandering smoohtly through green pastures and shaded by pleasant trees, till at last it falls into the va

发表于:2019-02-06 / 阅读(40) / 评论(0)

英语杂谈

英文摇滚歌曲：Xandria - A Prophecy of Worlds to Fall

I am the one that is walking the night Sleepless I'm dreaming - eyes wide open Watching the sky for the ashes to fall Ending illusions - I keep on hoping For this world to survive - to keep me alive So for all you ever desired, you wanted to be Was s

发表于:2019-02-11 / 阅读(29) / 评论(0)

英文摇滚歌曲

经济学人428:空调行业制冷方面的发明

Business. 商业 Air conditioning 空调行业 Cool innovation 很酷的发明（制冷方面的发明） An upstart hopes to make rival cooling companies sweat 这个挑战者渴望把与之竞争的空调公司逼出汗来 ON A hot July day in 1902

发表于:2019-02-26 / 阅读(77) / 评论(0)

经济学人综合

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

ablation heat

accelerated reaction

acoustic afterimage

admission pressure curve

aflee

African coast fever

alaska standard times

alkalisation

amynthas tessellatus paucus

aqueous media

arbitration aequo et bono