噪声的等值信号,噪声当量

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(579) / 评论(0) 分类 赖世雄中级美国英语

Wherever I drove my old car over 55 miles per hour ,it vibrated terribly, so I decided to sell it. My first customer wanted to buy the car, and I battled with my conscience over whether or not to tell

发表于:2019-01-03 / 阅读(339) / 评论(0) 分类 英汉幽默故事选读

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(278) / 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(282) / 评论(0) 分类 音乐咖啡厅

When they wheel you into the operating room, climate change is probably the last thing on your mind. But maybe it should be on your anesthesiologist's mind. Because the gases used to knock you out contribute to global warming. Researchers, including

发表于:2019-01-08 / 阅读(331) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American 60 Second Science, I'm Steve Mursky, Got a minute? The average price for a gallon of gas in the U.S. today was nearly $3.78 per gallon. But why do we calculate fuel expenditure in dollars per gallon? Wouldnt a more realist

发表于:2019-01-08 / 阅读(248) / 评论(0) 分类 Scientific American(三)月

[0:0]entertain招待,款待 [0:11.2108]entertainment enthusiasm entitle entry娱乐,文娱节目 热情,热心 给...权利,给...资格 参赛的人 [1:7.0247]environment envy equality equation环境,周围状况 忌妒,羡慕 相等,相同 议程,等式 [1:59.5258]equivalent era erect err

发表于:2019-01-16 / 阅读(340) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

Finance and Economics;Noise pollution: Shhh! 财经;噪音污染:嘘! Why quiet carriages don't work, and how they might be made to 让车厢安静缘何行不通,如何才能静下来? Quiet carriages on trains are a nice idea: traveller

发表于:2019-01-27 / 阅读(225) / 评论(0) 分类 经济学人财经系列

> 28 世界卫生组织关于噪音污染的报道 DATE=3-29-01 TITLE=SCIENCE REPORT - WHO Report on Noise BYLINE=Caty Weaver Start at 59

发表于:2019-01-30 / 阅读(184) / 评论(0) 分类 科技之光

Instructions If a dog is a year old, that is the equivalent of 15 in human years (not seven as we always thought). 如果狗是1岁,相当于人的15岁(而不是我们平时知道的7岁)。 When a dog reaches the age of two, he is already approxi

发表于:2019-02-01 / 阅读(176) / 评论(0) 分类 实用英语

英语发展日新月异,新词不断涌现。所以,与时俱进,掌握最新流行词汇至关重要。地道英语让你亲耳听到今天英国年轻人日常使用的语言和词汇,可下载音频,有文字对照。地道英语,真正

发表于:2019-02-02 / 阅读(159) / 评论(0) 分类 实用英语

I am primary school now, this is my second year, in order to focus more on my study, I live in school now, I will go home on the weekend. Our school is under construction lately, the workers are doing their work in the daytime, the machines make out

发表于:2019-02-02 / 阅读(178) / 评论(0) 分类 英语作文

今天我们要学的词是equivalent。 Equivalent, 意思是相当于,等同于。《华盛顿邮报》报道说,9/11恐怖袭击事件以来, In Washington and the surrounding areas, 33 building complexes for top-secret intelligence work are

发表于:2019-02-03 / 阅读(203) / 评论(0) 分类 英语每日一词

今天我们要学的词是equivalent。 Equivalent, 意思是相当于,等同于。《华盛顿邮报》报道说,9/11恐怖袭击事件以来, In Washington and the surrounding areas, 33 building complexes for top-secret intelligence work are

发表于:2019-02-05 / 阅读(196) / 评论(0) 分类 英语单词荟萃

entitle vt.把…称作 entrance n.入口;进入;入场 entry n.入口处;登记;进入 envelope n.信封 environment n.环境,外界;围绕 environmental a.环境的,环境产生的 env

发表于:2019-02-17 / 阅读(394) / 评论(0) 分类 考研英语

Salary and bonus Salary What is your salary now? I earn 5000 Yuan per month. I am willing to start with a small salary. He is teaching Physics in a technical college at a small salary. He has an income of 200 dollars a week. I require 2000 Yuan per m

发表于:2019-02-18 / 阅读(161) / 评论(0) 分类 实用英语

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(288) / 评论(0) 分类 阅读空间

PARIS, Aug. 19 (Xinhua) -- Marine scientists and representatives from the private sector and military establishments would meet at UNESCO at the end of this month to measure noise's impact on marine life, the Paris-based UN scientific branch UNESCO s

发表于:2019-02-18 / 阅读(187) / 评论(0) 分类 英语新闻

2011年5月16日深夜,新浪微博用户、鼎晖创业投资合伙人王功权在其微博宣布私奔,为爱放弃一切。这条微博被瞬时间传播,国内各大网站、论坛社区等也开始热议此话题。 请看相关报道: T

发表于:2019-02-26 / 阅读(167) / 评论(0) 分类 英语口语

Part 3 Conversations 第三部分 会话练习 1.Where can I change some money? 1.在哪里可以换钱? Timmy: Could you please tell me where I can change some money? 提米:请问我可以再哪里换钱? Ann: Over there at the bank. 安:到那

发表于:2019-02-27 / 阅读(291) / 评论(0) 分类 实境旅游英语
学英语单词
Albizia julibrissin
antibody titration
Astrazon dyes
Athinal
ball cleaner
barium star
blast-furnace cement
branching factor
brauhaus
chasm
crossheads
cxxxv
dangerous goods documentation
david smiths
decades
delocalise
desalination unit
desensitizers
diaminobenzil
directional valency
dramatic poetry
eleistocatpous
embroidered pillow case
equal chance
fingerstyles
fishery administration
floating point coding compaction
Gastrodia albida
glass lubricant
go to business
greenfingered
grogin
Haldenwang
Hayem's hematoblast
hexadecenoyl
high-Sanidine
hob-knobs
hubbing
I don't eat fish
immunofluorometric
instantaneous coordinate system
international waterways
Ishikari-wan
Jordan's tartrate agar
Josephson junction device
key-shelf
Lasthenia
least developed developing counrty
loss of kinetic energy due to impact
marienborg
method of centre charging
miniature painting
multiplexer simulator
Nippon Kaiji Kyokai
non-directional
non-steady flow
order thysanuras
osteogenin
overinterpreting
overtreated
Pashto
perched water table
phreatic divide fluctuation
Pictured Rocks National Lakeshore
piece-wise continuous function
pink-and-blue
polyposis of colon
praedial servitude
prosopopeia
Raylig
reap what one sows
ribbon vibrator
Rodolia rufocineta
roorback
scabiosas
scope of item
screen room foreman
sea-barometer
semi-dominance
shiphoard integrated man-machine system
single-sex college
snow bank
sootblowing
splender
strap link
swainish
talk through her neck
threshold country
tithymalin
top holes
twist accumulation
twitchetts
typhlodromips anuwati
valva atrioventricularis dextra
variety of associative algebras
via lactea
virtuates
visual discrimination
whattup
whip into
william harrison hayss
working tank