[计] 人为误差信号

大学生活英语-Finding an Error in Your Test Score(1)

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

发表于:2018-11-30 / 阅读(142) / 评论(0)

英语情景对话-大学生活

2007年NPR美国国家公共电台一月-A Broken Foot, an Artificial Leg, and a R

Recording technology has changed a lot over the years, but you can still do one essential thing. You sit in front of a microphone and you tell a story, which here we are again this Friday morning because it's time for StoryCorps. It's an oral history

发表于:2018-12-02 / 阅读(152) / 评论(0)

2007年NPR美国国家公共电台

闭着眼睛飘单词四级词汇5

[0:0]arithmetic arouse arrange算术引起,唤起安排,准备 [0:37.8094]arrest artificial artistic aspect逮捕,拘留人工的,人造的艺术的,美术的方面,面貌 [1:31.0307]assemble assembly assess asset混合,聚集立法机构,议会对...估价人价值的,优点 [2:22.6436]as

发表于:2018-12-05 / 阅读(101) / 评论(0)

闭着眼睛飘单词四级词汇

创新英语-Scientists Create Energy-Making Artificial Leaf

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

发表于:2018-12-07 / 阅读(130) / 评论(0)

创新英语

AS IT IS 2016-02-29 Egypt Says It Sentenced Boy, 4, to Prison in Error

AS IT IS 2016-02-29 Egypt Says It Sentenced Boy, 4, to Prison in Error The Egyptian military admitted last week it made a mistake when sentencing a 4-year-old boy to prison for life. A mistaken identity and confusion inside the Egyptian court system

发表于:2018-12-08 / 阅读(98) / 评论(0)

2016年VOA慢速英语(二)月

VOA标准英语2015--Researchers Create Artificial Skin With Sense of Touch

Researchers Create Artificial Skin With Sense of Touch Scientists have recently made considerable gains in creating human-like artificial limbs, but they still look and feel artificial. That could change with a development from South Korea. Researche

发表于:2018-12-16 / 阅读(57) / 评论(0)

VOA标准英语2015年(一月)

新目标初中英语九年级--Unit 7 Where would you li

Unit 7 Where would you like to visit? [00:04.88]SECTION A [00:07.84]1b Listen.Where would San,Gina,and Lydia like to go on vacation? [00:17.71]Why?Fill in the chart. [01:00.55]2a Listen and number these statements in the order that you hear them. [01

发表于:2018-12-17 / 阅读(210) / 评论(0)

新目标初中英语九年级(全一册)

【大学生活】考试成绩出错了-Finding an Error in Your Test Score

发表于:2018-12-26 / 阅读(126) / 评论(0)

大学生活-College Life

60秒科学:Artificial Muscle Brings Back Blink

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

发表于:2019-01-02 / 阅读(167) / 评论(0)

60秒科学

Error-prone French Open champ Li exit from U.S. Open

NEW YORK, Aug. 30 (Xinhua) -- French Open champion Li Na committed 54 unforced errors and was eliminated in the first round of the U.S. Open by 53rd-ranked teenager Simona Halep on Tuesday. Li, seeded sixth, lost 6-2, 7-5 to Romania's Halep, sufferin

发表于:2019-01-11 / 阅读(117) / 评论(0)

英语新闻

Artificial Leaf Turns Sunlight into Electric Power

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(148) / 评论(0)

VOA标准英语2011年(四月)

VOA标准英语2011--Artificial Blood Vessels Work Well, Have

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

发表于:2019-01-14 / 阅读(104) / 评论(0)

VOA标准英语2011年(二月)

VOA常速英语2008年-Rat Study Links Weight Gain to Artificial Sweet

By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

发表于:2019-01-19 / 阅读(82) / 评论(0)

VOA常速英语2008年（二月）

学个词Learn a Word 第1713-artificial

今天我们要学的词是 artificia。Artificial 人造的。artificial intelligence 人工智能。不久前，The FDA approved a new artificial retina device that would help some people regain part of their sight. 美国食品和药物管理局批准

发表于:2019-01-30 / 阅读(84) / 评论(0)

英语单词荟萃

电信术语(11)

序号中文英文术语解释缩写来源 201 光回损 Optical Return Loss ORL YD/T 1274-2003 202 光信噪比 Optical Signal to Noise Ratio OSNR YD/T 1274-2003 203 光监控通路 Optical Su

发表于:2019-02-01 / 阅读(140) / 评论(0)

电信英语

US, China signal new phase for ties

BEIJING, March 13 (Xinhua) -- Both China and U.S. signaled that the world's two biggest economies should explore a road of new-type relations. The new type of relations between major powers should be based on mutual respect, cooperation and seeking w

发表于:2019-02-03 / 阅读(96) / 评论(0)

英语新闻

Forecasts signal late-week launch of Tiangong-1

BEIJING, Sept. 26 (Xinhuanet) -- Weather forecasts showed that Thursday or Friday might be suitable for launching the Tiangong-1 spacecraft, experts said. The unmanned spacecraft, part of China's first spacecraft rendezvous and docking mission, was s

发表于:2019-02-03 / 阅读(104) / 评论(0)

英语新闻

学个词Learn a Word 第1349期　signal

今天我们要学的词是signal。 Signal, 作为动词，意思是显示。 The number of Americans filing for unemployment benefits for the first time fell to the lowest level in nearly six months, signaling a slight improvement in the job market

发表于:2019-02-05 / 阅读(83) / 评论(0)

英语单词荟萃

美国俚语: 总是犯错却自认为正确的人 errorist

【中文解释】 errorist是指总是犯错却自认为正确的人，错误份子，瞪眼睛说瞎话。【英文解释】 Someone who repeatedly makes mistakes. Says stuff he believes is true, but anyone with common sense can see he's wrong. A

发表于:2019-02-09 / 阅读(96) / 评论(0)

美国俚语

VOA标准英语2011--Artificial Speech Mimics Real Thing

Artificial Speech Mimics Real Thing 合成声音发展渐入佳境未来虚拟声音真假难辨 At a University of Arizona laboratory, Professor Brad Story analyzes the voices of singers, actors and public speakers both live and on audio tape. 在亚

发表于:2019-02-12 / 阅读(146) / 评论(0)

VOA标准英语2011年(十一月)

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