单词：non spiking pulsed laser
单词：non spiking pulsed laser 相关文章
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
VOA常速英语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
2013年VOA慢速英语(二)月
今天我们要学的词是spike. Spike 作为动词，有猛增的意思。The Centers for Disease Control and Prevention reported that suicide rates rose in nearly every U.S. state from 1999 to 2016, with the rate spiking by more than 30 percent in
英语单词荟萃
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
2017年VOA慢速英语(七)月
美联社,新闻一分钟,mayor,city,speech,1. New Orleans mayor says large sections of the city will reopen next week, and the French Quarter the week after that. 2. In a prime-time speech from New Orleans, President Bush will outline a new fe
美联社新闻一分钟2005
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
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
2012年VOA慢速英语(一)月
She's only a few feet away. 她就在不远处。 The closer he gets, the more nervous he becomes, 他越走近越紧张， the budding zit on his nose growing bigger and bigger until it practically eclipses his face. 鼻子上才刚长出来的青春痘
TED演讲教育篇
Crude oil prices are climbing as energy experts worry about the impact of the fighting between rebel and government forces, and the newly-imposed international no-fly zone, on Libya's oil production. Adding to the price volatility is continuing unres
VOA双语新闻 2011年3月
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
VOA常速英语2007年（十一月）
RIO DE JANEIRO, May 11 (Xinhua) -- Brazil's women's volleyball team moved one step closer to the London Olympics after beating Colombia 3-0 (25-11, 25-18, 25-19) in the the South American Olympic qualifiers on Thursday. Brazil will wait for their sem
英语新闻
WASHINGTON, April 10 (Xinhua) -- In a campaign-style speech, U. S. President Barack Obama Tuesday reiterated the Buffett Rule to highlight the importance of economic fairness for the nation's prosperity, as Obama has geared up his reelection bid. The
英语新闻
U.S. President Barack Obama says the only way to break the cycle of spiking gas prices is to shift cars and trucks off of oil for good. He said that is why he asked Congress in his State of the Union address to establish an Energy Security Trust to i
英语新闻
WASHINGTON, June 6 (Xinhua) -- The International Monetary Fund (IMF) said on Monday that it saw inflation the No. 1 challenge for the British economy in 2011. There are significant risks to inflation, growth and unemployment, the Washington-based fin
英语新闻
CHICAGO, Aug. 19 (Xinhua) -- Gold futures on the COMEX Division of the New York Mercantile Exchange ended sharply higher on Friday, notching a new record-settlement high for the fourth time this week, as investors remained cautious about stocks and h
英语新闻
Hi, everybody. 嗨，大家好。 As a nation, our top priority is growing our economy and creating good middle class jobs. 作为一个国家，我们的最高目标就是增长经济并为中产阶级创造良好的就业岗位。 That's why this w
奥巴马每周电视讲话
本期内容： Facebooks quarterly results roundly beat expectations. Overall revenues were up 59% year-on-year, to $6.4 billion, helped by spiking sales of video advertisements and ads on Instagram, the social-media giants picture-sharing platform.
夏说英语新闻晨读
People are voting in Sweden's general election where an anti-immigration party is vying to win a pivotal role in a country long seen as a bastion of liberal values. The populist Sweden Democrats are on course to win at least 1/5 of the vote and becom
英语听力精选进阶版