一维序列

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(167) / 评论(0) 分类 Scientific American(十二)月

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(162) / 评论(0) 分类 数学英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(215) / 评论(0) 分类 Scientific American(十)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(162) / 评论(0) 分类 2014年ESL之商务英语

As the richest man in the world, Bill Gates is no stranger to success. 作为这个世界上最富有的人,比尔盖茨对成功并不陌生。 So when the billionaire tech mogul and philanthropist offers insight or advice, it's smart to listen. 所

发表于:2019-01-03 / 阅读(133) / 评论(0) 分类 实用英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(176) / 评论(0) 分类 Scientific American(八)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Physics goes to the University of Manchesters Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene

发表于:2019-01-08 / 阅读(174) / 评论(0) 分类 Scientific American(十)月

3-D Technology Saves Lives 3D技术拯救生命 From VOA Learning English, this is the Health Report. Three-dimensional technology -- known as three-D -- gives depth to objects that would otherwise appear two-dimensional, or flat. Three-D makes movie

发表于:2019-01-12 / 阅读(127) / 评论(0) 分类 2014年VOA慢速英语(七)月

请看相关报道: Quick Response codes(QR code) have been used in advertisements for years, and a handful of American funeral homes began attaching them to gravestones in early 2011. 快速回应码在广告界已经使用好几年了,有一部分

发表于:2019-01-18 / 阅读(150) / 评论(0) 分类 英文语法词汇

And then our mothers tell us, Careful you don't fall down, because you'll fall over. 然后母亲告诉我们,没有跌倒也要小心,因为你还会掉下来。 Now, go into the real atmosphere of this planet. 现在,进入这个行星真正的

发表于:2019-01-18 / 阅读(150) / 评论(0) 分类 TED演讲娱乐篇

Well, it's the relative importance. 就是二者间的相对重要性。 You would say-yeah, yeah, yeah, we all know this;water covers twice the area of the planet than dry land. 也许你会说,是,是,是,我们都知道,地球上水覆盖的

发表于:2019-01-18 / 阅读(110) / 评论(0) 分类 TED演讲娱乐篇

Genome: Now in 3-D! In a study in the journal Science, researchers report the mapping of the three-dimensional structure of the human genome, and the finding that the cell's nucleus is divided into two regions, one where DNA goes to get expressed. Cy

发表于:2019-01-30 / 阅读(180) / 评论(0) 分类 60秒科学

古埃及金字塔是奴隶制帝王的陵墓,最宏大的当为吉萨三座大金字塔。塔基呈方形,每边长230米,高146米,用230余万块巨石(每块平均重达2.5吨)垒成,国王墓室用一块400吨重的石板垒成。整体规

发表于:2019-02-01 / 阅读(133) / 评论(0) 分类 阅读空间

2009年的一部3D大片《阿凡达》让很多人都记住了avatar这个词。在网络上搜索这个词,出来的结果大部分也都跟这部电影有关。其实,avatar并不是导演造的一个词,它在印度教中指圣人的化身。

发表于:2019-02-06 / 阅读(146) / 评论(0) 分类 英语口语

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(181) / 评论(0) 分类 英语新闻

An employee carefully scans a man standing still behind two photographic lamps with a gun-like scanner in his hand. The whole process takes approximately 10 minutes. After loading the data into the computer, the rest work is left to the 3-D printing

发表于:2019-02-14 / 阅读(141) / 评论(0) 分类 英闻天下

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(139) / 评论(0) 分类 英语听力练习题

Listen to the dialogues and write the correct sequence of l-6 as mentioned in the dialogues. A:How do I search books from the computer? B:First, key in your PIN number. Then, it goes to the Library's Homepage. Then, you can choose any way you want to

发表于:2019-02-17 / 阅读(117) / 评论(0) 分类 英语听力练习题

So I'd like to propose that we can combine those two worlds, that we can combine the world of the nanoscale programmable adaptive materials and the built environment. 所以我建议把这两个世界结合起来,把纳米级上可程序化、能自我

发表于:2019-02-21 / 阅读(104) / 评论(0) 分类 TED演讲教育篇

Thank you for being here,Fareed.Nice to have you on the show. 多谢你抽空前来 法里德 很高兴你能来上节目 Let's get started first with your background.I do think I know a lot about you. 首先聊聊你的背景 我觉得我很了解你

发表于:2019-02-23 / 阅读(169) / 评论(0) 分类 柯南脱口秀
学英语单词
a bag lady
aircraft-launched missile
allooing
assembly line work
autopacific
bamboo brake
beakfish
boure
branchial sious
broadish
brocard
caroomed
casimiro
catalytic action
Chaetocarpus
chela (pl. -lae)
competency-based compensation
component distillation
concert overture
constant forest-labourer
corkish
counter emf controller
debtor principal
degree of reversibility
dilatation cyst
dimunitive
disk initialize
disk transfer area
drip tile
ecological economy
emergency horsepower
epomania
existing amount of budgetary expenditure
favorable balance of trade
fleur-de-lyss
free-piston manometer
gentlemen-farmers
gnophomyia (protogonomyia) confluenta
goatwoman
Hayashi rearrangement
high brass
high pressure selling
hugo von hoffmannsthals
if it had not been for
illuminative
KRL
land up
latch on to
link motions
lythes
macrocyclic polysiloxane
metering tank
multi-tool cutting
next time
nks
nobuhiro
noncompulsive
nops
one-way switch
operator control system
orbital decay model
organizacin
orthodiascope
outage repair
overdraft facility
pathological names
plictran
power limiting reactor
pseudo-scalar field
pur sang
putchuck
quasi thixotropy
radio absorption measurement
radio interference locator
reaming drill press
Roots blower pump
rychellys
Schweiz
sealer's finger
serving side
shot-blasted roll
Smith, Tony
smoke boat
Sovrock
spiropent
spreadertrailer
square timber
stability of floatation
subtransmission line
surface irregularity
t'e
the green channel
Thembu
this is the case
Thomson cross section
three-inches
urban region
vaughan williamss
waverlys
wholesale discount
with all the stops out
zaitzevia parallele