雷射二极体模组

以字母O开头英语绕口令: 1.On a lazy laser raiser lies a laser ray eraser. 1.在一个反应迟钝的激光器上放了一个激光消除器。 2.Old oily Ollie oils old oily autos. 2.油腔滑调的奥利给老油汽车抹油。 3.One-One

发表于:2018-12-03 / 阅读(326) / 评论(0) 分类 英语绕口令大全

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(197) / 评论(0) 分类 VOA常速英语2008年(四月)

auxiliary anode 辅助阳极 auxiliary grid 辅助栅极 auxiliary jack 辅助塞孔 auxiliary memory 辅助存储器 auxiliary signal 辅助信号 auxiliary transmitter 备份发射机 available powe

发表于:2018-12-08 / 阅读(193) / 评论(0) 分类 电信英语

[00:00.00] MODULE 3 STATIONERY [00:05.47]Unit 7 Where's My pencil? [00:11.63]VOCABULARY [00:14.87]where where's=where is pencil it [00:21.40]什么地方;哪里 是在哪里 铅笔 它 [00:27.94]on desk no bed [00:32.96]在...的上面 书桌 不;不是

发表于:2018-12-13 / 阅读(251) / 评论(0) 分类 广州小学三年级 (上) 课本

[00:00.00] MODULE 3 STATIONERY [00:04.99]UNIT 7 Where is My Pencil? [00:10.63]Words and Expressions [00:14.79]Where [00:16.76]什么地方 [00:18.73]where's = where is [00:22.36]...是在什么地方 [00:25.99]pencil [00:27.98]铅笔 [00:29.96]it [00

发表于:2018-12-13 / 阅读(256) / 评论(0) 分类 广州小学三年级 (上) (学生用书)

[00:00.00] Module 5 Unit 13 [00:06.40]1.Listen and write the numbers of the animals. [01:06.87]2.Listen and answer the questions. [02:02.54]Unit 14 [02:07.71]1.Listen and choose the message you hear. [02:50.19]2.Write numbers of the words you hear in

发表于:2018-12-13 / 阅读(233) / 评论(0) 分类 小学五年级 (上) 活动手册2003年

1. A judge has found 3 New York Police detectives not guilty in the shooting death of an unarmed man. The officers shot Sean Bell 50 times just hours before his wedding. Rev. Al Sharpton has called for a federal investigation. 2. An eight-mile stretc

发表于:2018-12-15 / 阅读(261) / 评论(0) 分类 美联社新闻一分钟2008年(四)月

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(189) / 评论(0) 分类 2013年VOA慢速英语(二)月

New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl

发表于:2018-12-16 / 阅读(192) / 评论(0) 分类 VOA标准英语2014年(二月)

Conversation 1 A: They are state-of-the-art computers. Would you like to see how it works? A:这些是最尖端的电脑。您想看看它是如何操作的吗? B: Yes, please. B:好的,麻烦你了。 A: OK. Let me just have it all set up in

发表于:2018-12-25 / 阅读(168) / 评论(0) 分类 最In导购口语

[00:00.00] MODULE THREE [00:13.84]Research [00:15.78]Unit one [00:19.96]I'm looking for information. [00:23.04]1.Look,listen and learn [00:33.99]A:Come here, Lingling. [00:36.81]Mum has bought a new computer for us. [00:40.15]This is the keyboard. [0

发表于:2018-12-29 / 阅读(209) / 评论(0) 分类 新标准小学英语第五册(三年级起点)

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(210) / 评论(0) 分类 2017年VOA慢速英语(七)月

1135 、 晶体点阵;晶体格构;晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(238) / 评论(0) 分类 英文名句短语

Some dinosaurs were really huge, and now we may have a better way to estimate just how heavy these giants were. Researchers have developed a method to weigh dinosaurs based on laser scans of their skeletons. The study is in the journal Biology Letter

发表于:2019-01-08 / 阅读(285) / 评论(0) 分类 Scientific American(六)月

This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke

发表于:2019-01-08 / 阅读(283) / 评论(0) 分类 2005年NPR美国国家公共电台

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(250) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(223) / 评论(0) 分类 2012年VOA慢速英语(一)月

[0:0]lable laboratory lad lag标签,标记 实验室 男孩,小伙子 落后,滞后 [1:9.3533]lamb landlord landscape lane羔羊,小羊 地主,房东,店主 风景,景色 小路,小巷 [1:52.8522]largely laser latter laughter大部分,主要地 激光器 后者的,末了的 笑,笑声 [2:36.6

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

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(231) / 评论(0) 分类 VOA常速英语2007年(十一月)

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄,传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(216) / 评论(0) 分类 经济学人科技系列
学英语单词
absolute symmetry
aleuron(e) grain
alkaline rock type uranium deposit
anococcygeal ligament
arteria meningea
Bahai
Brazilian topaz
Buea
buffer level
c-rock
calcium oleate
capacitor-input filter
carpentry technology
cash account
celastrus variabilis hemsl.
celgene
central control cycle
Chat server
cherry pickers
chloracetic acit
confirmation commission
conrad potter aikens
cosynage
creek bed
creelers
crookess
crosssubsidization
cumber grounds
dark brown knot
Deferred call
double discharge runner
draper conveyer
Embden-ester
entabulations
exercise bulimia
extra deep drawing
family composition
felt washer
fence month
fire retardant tile
frosted face
full traffic-actuated control
garlic salts
get over with
groynes
hall-house
have one's deserts
infrared compensation
inverse cylindrical orthomorphic chart
joint spider
Karangarua
kenjutsus
kitchins
kotra
largey
lignicide
line of separation
Lucretia
manglietias
mother fucking
Mullerornis
mysticete
neap range
nerve of special sense
net succession
netton
nicotra
nonkinetic analysis
not know one's arse from one's elbow
overprotectiveness
paraanalycity
parallel-axial intergrowth
Phodilidae
photomask set
pilot-valve governor
pipe organs
polarization switch
poly-cystic kidney
porose area
prehens
provision for bad debt
puts onto
quadrisyllabic, quadrisyllabical
Redwood, I.
rejuvenated ore deposit
repeoples
Sand Coulee
sand grain sphericity
secondary routing code
sideborrow operation
speed of advance
spiked up
stud stock
training class of environment protection
translocation heterozygote
trendlessness
Valence-sur-Baïse
Vegantin
Victory ship
well-packaged
whipworm
zinc orthosilicate