输入端等效噪声电平;输入端绝对噪声电平

12. Stop the Noise Mr. Chen is talking to his neighbor Mrs. Wang. C: May I have a word with you? W: Sure. What's the problem? C: It's about your son. I'm tired of his making so much noise at all hours

发表于:2018-11-27 / 阅读(596) / 评论(0) 分类 赖世雄中级美国英语

新东方赵丽词汇课堂Lesson 30听力下载

发表于:2018-12-15 / 阅读(331) / 评论(0) 分类 新东方赵丽词汇课堂

Lesson 156 Part Ⅰ Warming-up Exercises Spot Dictation: The Temperature Check Last winter we had kind of a, uh, cold winter and I was home in bed _____ one night and listening _____ my radio. And, uh

发表于:2018-12-27 / 阅读(200) / 评论(0) 分类 英语听力入门 (全四册)

Why Can We Hear the Sound of the Ocean in a Shell? Most children have probably wondered at the noise of roaring ocean waves magically captured inside seashells held up to their ears. According to popu

发表于:2018-12-31 / 阅读(182) / 评论(0) 分类 有声英文阅读

Why Can We Hear the Sound of the Ocean in a Shell? 贝壳传来海洋之音? Most children have probably wondered at the noise of roaring ocean waves magically captured inside seashells held up to their ears. According to popular belief, anyone luc

发表于:2019-01-02 / 阅读(193) / 评论(0) 分类 双语有声阅读

Student: I don't think I deserve an absolute zero. Professor: Neither do I, but it is the lowest mark that I am allowed to give. 学生:我认为我不应该得零分。 教授:我也这么认为,但这是允许我打的最低分数。

发表于:2019-01-02 / 阅读(199) / 评论(0) 分类 英文笑话

It was the first day of school. As the principal made his rounds, he heard a terriblecommotion coming from one of the classrooms. He rushed in and spotted one boy, taller than the others, who seemed to be making the most noise. He seized the lad, dra

发表于:2019-01-05 / 阅读(290) / 评论(0) 分类 趣味英语

英文歌词: It's easy to feel like You're all alone To feel like nobody knows The great that you are The good that's inside you Is trying so hard to break through[00:29.91]Maybe it's your time to lift off and fly You won't know if you never try I will

发表于:2019-01-05 / 阅读(295) / 评论(0) 分类 音乐咖啡厅

One day a college professor of Psychology was greeting his new college class. He stood up in front of the class and said,Would everyone who thinks he or she is stupid please stand up?After a minute or so of silence, a young man stood up. Well, good m

发表于:2019-01-07 / 阅读(206) / 评论(0) 分类 趣味英语

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Heres a novel potential public health measure against the flukick up the humidity. The cold, dry months of winter signal the start of flu season. But previous resear

发表于:2019-01-08 / 阅读(238) / 评论(0) 分类 Scientific American(二)月

(1) T:Look at number 120. Have you got any?你有吗? S: Ineed a lot of cheese. I haven't got much.我需要一些奶酪,我没有多少了。 (2) T: Look at Number 438. Has he got any?他有吗? S: Heneeds a lot of envelopes. He hasn't

发表于:2019-01-23 / 阅读(203) / 评论(0) 分类 英语学习乐园

I really love the idea of the levels and getting to the next level,and fighting different styles.As a dancer who battled other dancers,that was like the whole mentality. 我很爱这个主意,一级级慢慢来,从低级到高级,对垒不同的门

发表于:2019-01-23 / 阅读(196) / 评论(0) 分类 名人传记

Boss Quotes 老板的话 We are going to continue having these meetings, everyday, until I find out why no work is getting done. 这样的会议我们要每天开,一直开下去,直到我弄清楚为什么工作没有完成。 I didn't say it wa

发表于:2019-01-28 / 阅读(155) / 评论(0) 分类 英语小达人

Delilah: Could you turn that down? Josh: What? Delilah: Could you turn your music down? Josh: Oh, sure. Is there a problem? Delilah: No, theres no problem. I was just trying to do some reading and the ear- splitting music coming from your room made i

发表于:2019-01-30 / 阅读(151) / 评论(0) 分类 地道美语播客

NGO Forum to Be Organized Before, During Racism Conference Joe De Capua Washington 16 Aug 2001 16:41 UTC Hundreds of non-governmental organizations are preparing a 1)forum to discuss 2)racism , 3)disc

发表于:2019-01-31 / 阅读(172) / 评论(0) 分类 VOA2001-国际风云(4)

Chances are youve heard or rather, not heard the effects of a noise gate, but unless youre into audio engineering, you probably didnt realize it. Ever been at a concert or listen to a radio broadcast where it sounds great when theres music playing or

发表于:2019-02-18 / 阅读(297) / 评论(0) 分类 阅读空间

A night club just opened near where you live. You are very unhappy about the situation because it disturbs the peace of the neighborhood. Write a letter to your local government official. Say who you are and explain why you are unhappy and suggest wh

发表于:2019-02-19 / 阅读(202) / 评论(0) 分类 雅思英语

Some students prefer to study alone. Others prefer to study with a group of students. Which do you prefer? Use specific reasons and examples to support your answer. Study habits are a very individual thing. Some people like to study alone, while othe

发表于:2019-02-19 / 阅读(174) / 评论(0) 分类 托福英语

A night club just opened near where you live. You are veryunhappy about the situation because it disturbs the peace ofthe neighborhood. Write a letter to your local governmentofficial. Say who you are and explain why you are unhappy andsuggest what s

发表于:2019-02-26 / 阅读(199) / 评论(0) 分类 雅思英语

下面给大家提供一篇关于生活中噪音的影响的托福阅读背景材料,希望能拓宽同学们的阅读面。 I'm grad to see so many of you here. We'vebecome really alarmed over the health center by thenumber of students we are seei

发表于:2019-03-02 / 阅读(286) / 评论(0) 分类 托福英语
学英语单词
advance factory
Algonkian
angle error
Antiballistic Missile Treaty
antigenic side chain
aromatic nitration
average magnetic field
banifing (bani)
batch weight
beachman
Berthollet,Claude Louis
bertonis
bifilar oscillogram
big marigolds
breastcancer.org
brushless DC servomotor
by ones
cable compressor
Cairo
Caldwell, I.
catalyst attritor
cell agglutination
chenopodium album l. var. centrorubrum mak.
complicatedness
consecutive real value
conspiratours
constrast
contract a foreign loan
corner-point infeasible solution
counter-intervenention
counterfoot
cryptomonadid
cut ups
damart
daphnella wui
diagram engineering logic
dillusion
eczema neuriticum
elasmobranch
electron impact spectrometry
electronic data calculator
entry clearance
euroizing
foulant
furnace operating
gang shear
geometric acoustics
gp63
hamhald
high fidelity audio track
hung around with
independence in analysis of variance
industrial population structure
INQUIRE statement
International Trade in Service
Keta L.
Lakemount
lane rental
Laphygma exigua
liability without fault
linkweiensis
longowal
lumber export
minerals beneficiation
moesias
monoclinic base
mrtas
multivalued logic
n-place predicate
Namur, Prov.de
neutron-transport equ-ation
non-automatic switching
normal space-width taper
octile
oryzavirus rice ragged stunt virus
partitioning method of estimation
peak period of fishing season
percentage balance
polydeficiency
polymer rheology
progression upsetting
public specificity
raw nickelmatte
reconsyle
reliance upon other auditor
reverse breakdown current
ring-flux method
rotate a right
sequence control of auxiliary equipment
spirit of wood
ta huo
tabaschir (tabasheer)
Taita Hills
take it around
taxaless
telecommunication act
thelyphonids
theoretical moment
undrossy
vulgar economics
white line engraving
xieng