单词：metallographic study
单词：metallographic study 相关文章
[00:00.00]Module 1 LEARNING METHODS [00:05.51]UNIT 2 You have to study [00:08.39]hard to get good results. [00:11.22]1 Listen and read. [00:15.40]Get Good Results in Your Exams! [00:19.95]You must understand the correct way to study [00:23.25]if you
外研社新标准初中英语九年级
According to a study published this week pollution of all kinds can be blamed for nine million premature deaths around the world every year. The study by the environmental nonprofit pure earth and published in The Lancet blamed air pollution for six
PBS访谈环境系列
06 食盐与血压的关系 DATE=2-22-01 TITLE=SCIENCE REPORT - Salt and Blood (1)Pressure BYLINE=Jerilyn Watson （Start at 1'00
科技之光
New Heart Stents Better Than Old Ones, Study Says A heart stent is a mesh tube made of metal that, when inserted into an artery, keeps it open. Stents can be metal only or they can contain medicine released once the stent is in place. These are calle
VOA标准英语2012年(九月)
HEALTH REPORT - Studies Show Ginger May Ease Stomach Sickness During Pregnancy By Jerilyn Watson Broadcast: Wednesday, April 28, 2004 This is Phoebe Zimmermann with the VOA Special English Health Repo
健康与经济
EDUCATION REPORT - Television and Attention Problems By Nancy Steinbach Broadcast: Thursday, April 15, 2004 This is Steve Ember with the VOA Special English Education Report. A new study suggests that
教育与新闻
Health Report - The Global Problem of Preterm Births This is the VOA Special English Health Report. Premature or preterm births are defined as live births before a woman completes thirty-seven weeks of pregnancy. A new study found that about fifteen
2012年VOA慢速英语(八)月
By Amanda Cassandra New York 29 November 2006 Gold prices have reached record highs this year, fueling new interest in gold as an investment. But the allure extends far beyond its monetary value. Its importance as a natural resource, as a commodity
2006年VOA标准英语（十一月)
Study: Chocolate, Strawberries Help Blood Pressure In the days leading up to Valentine's Day, Americans buy some $700 million worth of chocolate treats... luscious, creamy and loaded with fat. But recent studies show that dark chocolate can also be g
VOA标准英语2012年(二月)
Global Warming Might Threaten Water Supply Stanford University climate expert Noah Diffenbaugh led the study, which compares snowpack conditions across the northern hemisphere in the late 20th century with climate model projections for the next one h
VOA标准英语2012年(十一月)
Global Infertility Rates Generally Hold Steady The World Health Organization says infertility rates around the world have remained relatively stable since 1990. Almost 50 million couples worldwide were unable to have a child after five years of tryin
VOA标准英语2012年(十二月)
EDUCATION REPORT - Study Gives High Marks to 'Teach for America' By Nancy Steinbach Broadcast: Thursday, July 08, 2004 This is Steve Ember with the VOA Special English Education Report. Teach for Amer
教育与新闻
AGRICULTURE REPORT - Study Finds Warmer Nights Mean Less Rice By Mario Ritter Broadcast: Tuesday, July 06, 2004 This is Bob Doughty with the VOA Special English Agriculture Report. Scientists have had
农业与发展
DEVELOPMENT REPORT - UN Study Examines Disaster Risks By Jill Moss Broadcast: Monday, February 23, 2004 This is Robert Cohen with the VOA Special English Development Report. A United Nations report sa
农业与发展
DEVELOPMENT REPORT - UN Study Says Gains Would Outweigh Cost to End Child Labor By Jill Moss Broadcast: Monday, February 16, 2004 This is Robert Cohen with the VOA Special English Development Report.
农业与发展
By Chad Bouchard 2-337522 21 January 2007 A farmer carries buckets of water collected from a drying pond in Rembang, Central Java, Indonesia As Indonesia copes with one of its driest rainy seasons on record, a climate change study indicates global wa
2007年VOA标准英语（一月）
That if your vocabulary is limited your chances of success are limited. That one of the easiest and quickest ways to get ahead is by consciously building up your knowledge of words. The the vocabulary of the average person almost stops growing by the
阅读空间
LOS ANGELES, June 9 (Xinhua) -- Senior U.S. performers in Los Angeles and elsewhere are generally happy with their lives as artists, although they still face age discrimination, a study published Thursday showed. Focusing on actors, dancers, choreogr
英语新闻
Money may not buy you happiness, but happiness can improve your financial bottom line. A study by researchers from University College London finds that young people who report a higher level of happiness and satisfaction with their lives earn higher
英语新闻
Indian health officials have rejected a new medical study warning of widespread drug-resistant bacteria in the country's capital. But the co-author of the study says Delhi is in denial, and warns the bacteria can spread easily around the world, possi
英语新闻