完全可加集合函数

AGRICULTURE REPORT - Jojoba: Not Your Usual Oilseed CropBy Mario Ritter Broadcast: Mon, 3 Jul 2006 16:00:00 UTC I'm Shep O'Neal with the VOA Special English Agriculture Report. Jojoba plants We have a

发表于:2018-12-07 / 阅读(84) / 评论(0) 分类 2006年慢速英语(七)月

Hello and Welcome to News and Reports on China Radio International. In This Edition China and Pakistan conclude a weeklong joint antiterrorism military drill in northwestern China's Ningxia Hui autonomous region. Analysts say the Obama Administration

发表于:2018-12-11 / 阅读(68) / 评论(0) 分类 2010CRI中国国际广播电台

Pesticide Additive Could Be One Culprit in Bee Deaths 农药添加剂是蜜蜂死亡的一大诱因 Springtime is flower season. And that includes some 90 million almond trees in California. It's the largest pollination event in the U.S.and beekeeper

发表于:2018-12-24 / 阅读(67) / 评论(0) 分类 2017年Scientific American(二)月

backset, n 挫折,倒退;涡流,逆流=check 【记】backset=set back-倒退 【反】hike(n 远足,增加)

发表于:2018-12-30 / 阅读(87) / 评论(0) 分类 不择手段背单词

听广告学英语:RICHON Aficio Digital Multi-function System理光数码多功能系统 原文:Mary:Everybody calls me a multi-function secretary. One of her bosses (gives her a pad of paper):Mary, pick up this. Mary:Because I have to serve several bosses. Anothe

发表于:2019-01-02 / 阅读(200) / 评论(0) 分类 听广告学英语

One car emits four tons. And actually 700 and change million cars today emit 2.8 billion tons of CO2. 一辆汽车排放4吨二氧化碳。现在的7亿辆汽车排放28亿吨二氧化碳。 That's, in the additive, about 25 percent of our problem. 那

发表于:2019-01-03 / 阅读(67) / 评论(0) 分类 TED演讲科技篇

And that's the difference between problems that are additive, like CO2, 这个就是可添加性问题,像二氧化碳问题, which we go slowly up and then we tip, and problems that are depletive, in which we lose what we have, which oscillate, 慢

发表于:2019-01-03 / 阅读(76) / 评论(0) 分类 TED演讲科技篇

Conquer Fear To conquer ones fears ,one must see past them .To fear is natural ; to see past them is heroic. Fear is normal additive to life ,symbolizing that there are new ,sometimes extraordinary things to come ,to face .To be able to see these thi

发表于:2019-01-08 / 阅读(55) / 评论(0) 分类 英语美文

1. The head of the Transportation Security Administration is admitting that new airport pat-downs are more invasive than what most are used to. But it doesn't sound like they're going away. He tells a Senate committee that the procedures are needed t

发表于:2019-01-11 / 阅读(130) / 评论(0) 分类 美联社新闻一分钟2010(十一月)

Last year in the US, they helped Amazon prepare and ship all the products required for Cyber Monday, 去年在美国,机器人帮助亚马逊发货,以应对网络星期一带来的 the annual peak of online retail. 年度线上零售消费高峰。

发表于:2019-01-18 / 阅读(72) / 评论(0) 分类 TED演讲国际问题篇

Cleaning and sorting plastic made out of multiple polymers can be relatively expensive, 清理和将多种聚合物制成的塑料进行分类的成本相对昂贵, especially if it is used to make low value products such as packaging. 尤其是这些

发表于:2019-01-26 / 阅读(102) / 评论(0) 分类 经济学人科技系列

Science and Technology Three-dimensional printing An image of the future 科技 3D印刷 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用 U

发表于:2019-01-26 / 阅读(94) / 评论(0) 分类 经济学人科技系列

研究称维生素D可缓解多发性硬化症症状 WASHINGTON, Jan. 20 (Xinhua) -- Patients in the early stages of multiple sclerosis (MS) could stave off disease symptoms by increasing their vitamin D intake, U.S. researchers said Monday. The stud

发表于:2019-02-05 / 阅读(40) / 评论(0) 分类 英语新闻

At this rate, scientists will have to come up with a better description for the tomato than mere 'superfood'. While it has long been credited with cutting cholesterol and preventing some cancers, the fruit now appears to have two more healthgiving be

发表于:2019-02-06 / 阅读(73) / 评论(0) 分类 阅读空间

Michelle Branch 在美国Arizona州长大的Michelle Branch,出生于1983年7月2日,自小便自学吉他和钢琴。在Michelle Branch的14岁生日宴会上,她得到了自己梦寐以求的礼物---自己平生的第一把吉他。 Artist:Michelle Branch蜜雪布兰琪 Song:You Set Me Free你让我自由

发表于:2019-02-07 / 阅读(148) / 评论(0) 分类 音乐咖啡厅

数学常用英语单词 abbreviation 简写符号;简写 abscissa 横坐标 absolute complement 绝对补集 absolute error 绝对误差 absolute inequality 绝不等式 absolute maximum 绝对极大值 absolute minimum 绝对极小值 absolute monotonic 绝对单调 absolute value 绝对值

发表于:2019-02-08 / 阅读(187) / 评论(0) 分类 英文语法词汇

Science and technology 科学技术 Bespoke pets 定制宠物 Just press print 只需按一下打印键 It will soon be possible to design and build household animals to order 按需定制宠物很快将成为现实 I could have sworn I ordered this

发表于:2019-02-16 / 阅读(135) / 评论(0) 分类 经济学人科技系列

Business: 3D printing: Print my ride 商业:3D打印:打印我的座驾 A mass-market carmaker starts customising vehicles individually. 大众化生产商开启汽车定制新时代。 Another milestone has been passed in the adoption of additiv

发表于:2019-02-17 / 阅读(59) / 评论(0) 分类 经济学人财经系列

The 2015 list of the greatest emerging technologies was recently published by Bernard Meyerson, chief innovation officer of IBM and chair of the World Economic Forums Meta-Council on Emerging Technologies. 最近IBM的首席创新官兼世界经济论坛

发表于:2019-02-17 / 阅读(96) / 评论(0) 分类 阅读空间

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(94) / 评论(0) 分类 万物简史
学英语单词
aeva
air plot wind velocity
antidesoxyribonuclease
aphonogelia
autonomous bladder
barium crown
black-gin
body shape appearance
boot-haling
brale indenter
brick-red
cleomis marginicollis
colour-markers
constant-temperature-humidity unit
court of the union
Cuimba
dark conductance
datatypes
defective premises
dendrophagus
denier balance
devil's dozen
disrates
divingde
dolly-shop
domestic treatment
doubled up swinging booms
eclipse of the sun
epididymodeferentectomy
erosion lake
euphorbial
family Xiphiidae
foam fire-extinguisher
goal rule
government guarantee of export credit
harangur
harpoon gun
hazelriggs
huntsman
hydrojet nozzle
incompetent
kettle corn
land line teletypewriter
landing station
lobby banking
mental chemistry
meshugaas
microring resonator
motor machine
multimorbidity
multistaging
musculus pronator profundus
nadolski
natural resonant frequency
oscillating rotary motion continuous
oxys
particularization
pbx, private branch exchange.
petroleum shale
phylloxera clevastatrix pergande
pickled fish with grains and
Pittosporum napaulense
planning supervisor
Polycydal
preferential orientation
receiver channel
region growing
requirer
Sacramenia
sandur deposit
scapulothoracic
Schottky noise
six-vector
social readjustment rating scale (ssrs)
special claim on residual equity
speckled variable
Spiers
spiritual water
sprang out
stalactitic aragonite
steam-heating coil
superior cerebellar peduncle
surplus to requirements
syssitia
Tarcento
tenericutes
tirat
Tomina
torque
transient length
transistorized multimeter
true colour unit
twin roller
ultimate tennis
unanswerableness
underdealer
underground pipeline
universal-joint shaft
unplugger
user operation
yapoks
yufts