声波的非线性相互作用

[00:00.00]CHAPTER SIX PAGE 45 [00:09.30]VOCABULARY PREVIEW [00:13.74]1.wife [00:18.18]2.husband parents [00:25.31]3.mother [00:29.68]4.father children [00:36.52]5.daughter [00:41.06]6.son [00:45.53]7.sister [00:50.18]8.brother grandparents [00:57.44]

发表于:2018-12-01 / 阅读(498) / 评论(0) 分类 SBS朗文国际英语教程 第一册

The dog barks. It likes to bark. The bird sings. It likes to sing. The dog and bird are noisy. The cat meows. It meows when it is hungry. It meows when it is angry. The fish says nothing. The turtle says nothing. The mouse says nothing. The lizard sa

发表于:2018-12-06 / 阅读(130) / 评论(0) 分类 汪培珽儿童英文分级书单三 An I can read

Whether we expand existing towns or build new cities it begs the question about how we build an environment that helps us live in harmony with each other and with the natural world, upon which we depend for our existence.The history of the earth told

发表于:2018-12-28 / 阅读(106) / 评论(0) 分类 智慧人生篇章

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] There must be something wr

发表于:2018-12-30 / 阅读(138) / 评论(0) 分类 每日攻克5词

Callum:Hello. In recent programmes in this series, Who on Earth are we? Marc Beebys looked at some of the more obvious ways that cultures can be different from one another -the different ways we use language, or non-verbal communication, for example

发表于:2019-01-07 / 阅读(654) / 评论(0) 分类 英语讨论

Five Tips for Planning a Presentation 关于规划报告的五个小贴士 Editor's note: When teaching public speaking, Professor Charles Lebeau divides presentation into three aspects. The three aspects of a presentation are: the physical message,

发表于:2019-01-12 / 阅读(132) / 评论(0) 分类 2015年VOA慢速英语(三)月

Scientists Use Sound Waves to Find Hidden Cracks in Bridges, Airplanes 科学家利用声波在桥梁和飞机寻找隐蔽的裂缝 On August 1, 2007, a steel bridge in Minneapolis, Minnesota, collapsed, sending people and vehicles into the Mississip

发表于:2019-01-12 / 阅读(130) / 评论(0) 分类 2015年VOA慢速英语(四)月

Study: Noisy Environment Affects Plants Researchers havent given much thought to the effect of noise and noise pollution on plants. But that could be about to change. In northwestern New Mexicos Rattlesnake Canyon, gnarled juniper trees and pi?on pin

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 VOA标准英语2012年(四月)

Room 212 Building 343 Tsinghua University, Beijing 100084 (010) 62771234 Email:good@tsinghua.edu.com xxx Objective To obtain a challenging position as a software engineer with an emphasis in software design and development. Education 1997.9-2000.6 De

发表于:2019-01-17 / 阅读(150) / 评论(0) 分类 实用英语

A: Those noisy neighbors of mine are driving me crazy! B: Yes, they are very noisy. What do you think they are doing in there? A: Someone said they are installing some countertops in their kitchen. B: Is there usually a lot of noise coming from over

发表于:2019-01-20 / 阅读(134) / 评论(0) 分类 地道英语对话-租房

A: I am really losing patience with my noisy neighbors! B: They are noisy, all right. What do you think is making that sound? A: I think they are hammering some new flooring down in their living room. B: Do they usually make a lot of noise? A: I can

发表于:2019-01-20 / 阅读(122) / 评论(0) 分类 地道英语对话-租房

66 神秘的彗星

发表于:2019-01-30 / 阅读(180) / 评论(0) 分类 科技之光

数据结构基本英语词汇 数据抽象 data abstraction 数据元素 data element 数据对象 data object 数据项 data item 数据类型 data type 抽象数据类型 abstract data type 逻辑结

发表于:2019-02-01 / 阅读(131) / 评论(0) 分类 实用英语

Science and technology 科学技术 Launching aircraft 发射飞机 Proof by induction 让电磁感应来验证 In the future, airliners could be catapulted into the sky by electric motors 将来,会用电动机将客机弹射到天空中 READERS o

发表于:2019-02-03 / 阅读(143) / 评论(0) 分类 经济学人科技系列

这份简历是一个大学毕业生的英文简历,他寻求的职位是软件工程师,希望能在软件设计方面能发掘自己的潜能。由于刚毕业,没有多少经验,因此着重介绍了自己的能力和所学的课程。这份

发表于:2019-02-08 / 阅读(192) / 评论(0) 分类 实用英语

It goes up by 15 percent, 对于所有事物都是如此 and you have a 15 percent savings 你还能节省 on the infrastructure. 15%的基础设施经费 This, no doubt, is the reason 这无疑就是 why a million people a week are gathering in citi

发表于:2019-02-13 / 阅读(148) / 评论(0) 分类 TED演讲教育篇

Before I talk about that, 谈到这之前 I've written down at the bottom there 我在底下标出了 the slope of this curve, this straight line. 这条曲线的斜率,即这条直线 It's three-quarters, roughly, 大约为3比4 which is less than

发表于:2019-02-13 / 阅读(163) / 评论(0) 分类 TED演讲教育篇

The average person in the United States watches almost five hours of television a day, more than an hour greater than the average of people in the world's biggest economies, new research says. 一项新研究发现,美国人平均每天看电视的时

发表于:2019-02-17 / 阅读(152) / 评论(0) 分类 阅读空间

line of business 业务范围 line of credit 信贷限额 linear development 线型发展;直线发展 linear programming 线性规划 linked assets 相连资产 linked exchange rate system 联系汇率

发表于:2019-02-25 / 阅读(198) / 评论(0) 分类 财会英语

kin n.家属(集合称), 亲戚, 同族, 血缘关系, 家族 adj.有亲属关系的, 性质类似的, 同类的 kit n.成套工具, 用具包, 工具箱, 成套用具 lapse n.失误, 下降, 流逝, 丧

发表于:2019-02-25 / 阅读(237) / 评论(0) 分类 考研英语
学英语单词
ahmadabad (ahmedabad)
air convection drying
air mortar gun
airplane dope
alcohol-containing
alternation morph
anteorbital
anticompetition effect
band-limited spectrum
bit synchronous
Bulbophyllum caudatum
cache RAM
carbon constructional steel round
central reservation
chasins
cherry black
classical cepheid
clause of reservation
clear-way valve
comedocarcinoma of nipple
computer assisted nc programming
cost after split-off
cycloalkynes
deformational event
diffusion-bonded titanium
double arm marker
e-mail archiving
exchange quotations
extreme elevation
female section
generalized diffraction grating
giantkiller
gold ripeness
government organization
half bath
hambley
hard disk recorder
harmanine
hedge hopper
Hipsurus caryi
homogeneous region
homs (al khums)
hyperferremic
immediate gain
impedance corrector
in hands
isern
Jindo
Kitchen rudder
Lepreau
logging record
lower right corner
modulation alarm
n-nitrosodiethylamine
negelein ester
Negombo
neuroticum papilloma
nomination committee
nozzle and socket list
Ocean Marine Cargo Clause
one-way cipher
operation guidance
parallel voices
phymatopsis oxyloba(wall.)presl
piquant sauce
points scatter
pre-intubation preparation
presserage
pretoria-witwatersrand-vereeniging
preyings
racomitrium ericoides
raise-up tine
real circuit
redyeings
resacetphenone
resonant percossion-note
romanticky
Rome was not built in a day
rope capping metal
rough-leaved aster
sagenetosome
sainte-anne
self collision
separated flame
sheet structure
sideline product
solid platform
Sollas
surgeonries
syphonoma
tangible service
temperature programmed reaction spectrum
Temple, William
triangulation supported method
valve driving mechanism
valve knock
villarruel
water-retaining
word to your mother
worriedly
would you
zee bar pass