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。

英语歌曲：Don't Cry For Me Argentina

It won't be easy, you'll think it strange When I try to explain how I feel That I still need your love after all that I've done You won't believe me All you will see is a girl you once knew Although she's dressed up to the nines At sixes and sevens w

发表于:2018-11-29 / 阅读(184) / 评论(0)

十八首全球最好听的女声

The Life I Desired

The life I desired 我所追求的生活 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 smoohtl

发表于:2018-12-07 / 阅读(152) / 评论(0)

世界上最美丽的英文-人生短篇

趣味青春英语第65期:Meet your expectation

Idiom: meet your expectation(achieve desired results) 能够达到某人的期望 Hit the book: Custom Write down/take note/jot down Originally Similar to

发表于:2018-12-27 / 阅读(106) / 评论(0)

趣味青春英语

20个GRE写作经典句型

1、Those who ~~~ （的人）例句：Those who violate traffic regulations should be punished. 违反交通规定的人应该受处罚。 2、There is no one but ~~~ （没有人不）例句：There is no one but longs to go to college. 没有人不

发表于:2019-01-03 / 阅读(92) / 评论(0)

GRE英语

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(78) / 评论(0)

大学四六级阅读

英语歌曲:Sleeping sun~

Sleeping sun~演唱者：nightwish The sun is sleeping quietly Once upon a century Wistful oceans calm and red Ardent caresses laid to rest For my dreams I hold my life For wishes I behold my night The truth at the end of time Losing faith makes a cr

发表于:2019-01-10 / 阅读(131) / 评论(0)

E乐吧

托福写作必备句型

在托福写作中，有一些常用的万能句型，跟托福写作模板的作用相似，都可以套用在托福写作中，帮助你在托福写作考试中取得高分。下面天道小编为大家列举了35种托福写作句型。一、~~~

发表于:2019-01-18 / 阅读(97) / 评论(0)

托福英语

精美英文欣赏: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 vasty

发表于:2019-01-30 / 阅读(103) / 评论(0)

精美英文欣赏

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(114) / 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(131) / 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(106) / 评论(0)

英语杂谈

The life I desired 我所追求的生活

发表于:2019-02-08 / 阅读(79) / 评论(0)

阅读空间

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(83) / 评论(0)

英文摇滚歌曲

英语六级写作35个加分句型

一、~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) ~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/ heard/ had/ read, etc) 例句：Helen is the most beautiful girl that I have

发表于:2019-02-12 / 阅读(88) / 评论(0)

四六级写作指导

英文写作必背句型

一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) ~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) 例句：Helen is the most beautiful girl that I have

发表于:2019-02-13 / 阅读(84) / 评论(0)

实用英语

英语六级考试写作心得速记

一、~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc)~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) 例句：Helen is the most beautiful girl that I have ever

发表于:2019-02-17 / 阅读(88) / 评论(0)

四六级写作指导

三十五个经典句型帮你过写作关2

二十、That is the reason why ~~~ （那就是...的原因）例句：Summer is sultry. That is the reason why I dont like it. 夏天很燠热。那就是我不喜欢它的原因。二十一、For the past + 时间，S + 现在完成式...（过去

发表于:2019-02-18 / 阅读(82) / 评论(0)

雅思英语

莎士比亚十四行诗全集:第153篇

Cupid laid by his brand, and fell asleep: 丟下火炬的爱神沉沉入梦乡， A maid of Dian's this advantage found, 给月神的使女把良机送上， And his love-kindling fire did quickly steep In a cold valley-fountain of that ground; 她赶紧

发表于:2019-02-18 / 阅读(141) / 评论(0)

莎士比亚十四行诗全集

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(137) / 评论(0)

经济学人综合

35个经典英语句型帮你过写作关

一、~~~the + ~ est + 名词 +（that）+ 主词 + have ever + seen (known/heard/had/read, etc) ~~~ the most + 形容词 + 名词 +（that）+ 主词 + have ever + seen（known/heard/had/read, etc）例句：Helen is the most beautiful girl that I

发表于:2019-03-04 / 阅读(156) / 评论(0)

实用英语

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学英语单词

a suite of racks

a watched kettle never boils

beam on alternate frames