毫米波双载子电晶体

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

发表于:2018-11-28 / 阅读(603) / 评论(0) 分类 新概念优美背诵短文50篇

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

发表于:2018-12-01 / 阅读(277) / 评论(0) 分类 新东方背诵文选

by Jason Marshall We use a lot of math words in our day-to-day lives without really understanding what they mean or where they come from. For example, prefixes like mega, giga, and tera that we use to describe computer hard drive sizes (think megabyt

发表于:2018-12-07 / 阅读(156) / 评论(0) 分类 数学英语

[00:04.49]Reading WHO AM I? [00:09.25]I began only as a calculating machine in 1642 in France. [00:16.51]Then in 1822 I was built as an Analytical Machine by Charles Babbage. [00:25.57]I followed instructions from cards with holew. [00:30.62]I know t

发表于:2018-12-13 / 阅读(336) / 评论(0) 分类 高中英语人教版2004

RACHEL MARTIN, HOST: We try not to obsess about this too much, but we really do get to work very early around here. We don't get a whole lot of sunlight, especially in the winter months. So when you look around the newsroom, you see these special lam

发表于:2018-12-17 / 阅读(177) / 评论(0) 分类 2017年NPR美国国家公共电台11月

Next, the U.S. Army is on a mission to recruit 80,000 new soldiers by next year. It's easier said than done. Many people don't meet the military's requirements to join. Weight, age, drug use, medical conditions, criminal records, they can all keep so

发表于:2018-12-20 / 阅读(170) / 评论(0) 分类 CNN美国有线新闻2017年12月

This is Scientific America's 60 second science, I'm Sentay Graber, this will just take a minute. Magnifying glass, telescope, tiny tiny tape measure, these are the weapons with which researchers are fading it out to find the world's smallest frog.One

发表于:2018-12-24 / 阅读(178) / 评论(0) 分类 Scientific American(一)月

Magnifying glass, calipers, teeny tiny tape measure, these are the weapons with which researchers are fighting it out to find the world's smallest frog. One team just announced the discovery of the unaverage 7.7 millimeter p* which can sit comfortabl

发表于:2018-12-24 / 阅读(167) / 评论(0) 分类 Scientific American(一)月

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are us

发表于:2018-12-30 / 阅读(145) / 评论(0) 分类 考研背诵50篇

今天我们要学的词是heat wave。 Heat wave, 热浪,高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

发表于:2019-01-07 / 阅读(213) / 评论(0) 分类 英语每日一词

Cameras were once big and bulky. Today,really good cameras fit in your pocket. And now, researchers at Cornell havedeveloped a camera thats just a half-millimeter on each side and a hundredthof a millimeter thick. The lens-less device is called a Pla

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 Scientific American(七)月

AS IT IS 2016-10-05 Nobel in Chemistry Goes to Makers of Worlds Smallest Machines 2016诺贝尔化学奖:世界上最小的机器 Three scientists have won the Nobel Prize in Chemistry for their work in developing tiny machines. The three men are Jea

发表于:2019-01-12 / 阅读(170) / 评论(0) 分类 2016年VOA慢速英语(十)月

I started to listen to music a whole lot, and I started to read more outside of just science and technologyShakespeare, Plato. I loved King Lear. 我开始听很多音乐,阅读科技以外的书,例如莎士比亚、柏拉图的作品。我爱看《

发表于:2019-01-22 / 阅读(194) / 评论(0) 分类 乔布斯传

Got ballistics back on the Holder murder. 霍尔德凶案的弹道分析出来了 They pulled two 7.62 millimeter bullets out of him. 他们取出了他身上两枚7.62毫米的子弹 According to the stippling and size of the entry wound, 根据伤口

发表于:2019-01-29 / 阅读(149) / 评论(0) 分类 绿箭侠第一季

SCIENCE IN THE NEWS - Rethinking the Personal Computer in a World That Centers on the InternetBy Caty Weaver and produced by Mario Ritter Broadcast: Tuesday, August 15, 2006 VOICE ONE: This is SCIENCE

发表于:2019-01-30 / 阅读(202) / 评论(0) 分类 2006年慢速英语(八)月

Business 商业报道 Semiconductors 半导体 Chipping in 芯片技术集资 A deal to keep Moore's law alive 一场交易使得摩尔定律劫后余生 THE arrival of a new generation of semiconductors has come a little closer. 新一代半导体诞生

发表于:2019-02-02 / 阅读(171) / 评论(0) 分类 经济学人商业系列

SAN FRANCISCO, May 4 (Xinhua) -- Intel Corp. on Wednesday announced that it will mass-manufacture chips using new transistors featuring a three-dimensional (3-D) structure, calling it a technical breakthrough in microprocessors. The 3-D transistor, c

发表于:2019-02-05 / 阅读(208) / 评论(0) 分类 英语新闻

Voice 1 Hello. Im Rachel Hobson. Voice 2 And Im Mike Procter. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 I was in the tent

发表于:2019-02-14 / 阅读(189) / 评论(0) 分类 环球英语 Spotlight

Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacter

发表于:2019-02-17 / 阅读(174) / 评论(0) 分类 双语有声阅读

48 Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bac

发表于:2019-02-17 / 阅读(184) / 评论(0) 分类 双语有声阅读
学英语单词