单词:forced vibration cross-spectrum analysis
单词:forced vibration cross-spectrum analysis 相关文章
Back at the explosives lab, examiners use a high-tech instrument called a Raman spectrometer, a device that determines if a package contains explosive material. With the Raman, what we are doing is th
Forced Marriage Continues in Many Countries Young girls forced into marriage is still a reality in many parts of the world, and it doesn't just happen in developing nations. Activists, African first ladies and victims gathered at a conference in Los
Lesson 88 trap 陷入 Six men have been trapped in a mine for seventeen hours. 6个人被困在矿井里已有17个小时了。 They were trapped in cave. 他们被困在山洞里。 Due to the heavy snow,they were trapped in the house in the mountai
San Francisco If you*re going to San Francisco, be sure to wear some flowers in your hair. If you*re going to San Francisco, you*re gonna meet some gentle people there. For those who come to San Franc
Study Says Breath Analysis Can Help in Diagnosing Cancer Lung cancer claims an estimated one and a half million lives each year. But a research team at the Cleveland Clinic and University of Illinois is working to develop a new test that could make d
Being Forced Out of a Position Julianna: Ha ha! The wicked witch is dead! Hugo: What are you talking about? Julianna: Bettina is stepping down as chairperson of the committee. I thought this day would never come. Hugo: Thats a big surprise. I never t
Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu
This is the second in a 2-part Business English Pod series on presenting a SWOT analysis. A SWOT analysis is a tool that helps companies understand their strengths and weaknesses, while keeping in mind the opportunities and threats they face. In this
In this Business English Pod lesson, we start the first in a 2-part series on presenting a SWOT analysis. A SWOT analysis is a simple but powerful framework for analyzing your companys strengths and weaknesses these are internal to the company as wel
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid
人力资源专家说,名企为面试设计那些难以应付的英文考试题目,就是为了在泥沙中淘出真金。因为,这些题目既能检验求职者的语言能力,也能考验他们的逻辑思维能力、抗压能力、应变能
By Dorian Jones Istanbul 16 June 2008 Several governments and women's rights groups say forced and arranged marriages are a growing problem in European countries. Dorian Jones reports from Istanbul the Turkish city recently hosted one of a series me
News and analysis from an African American perspective Art Chimes | Washington, DC 19 February 2010 Related Links The Root February is African American History Month here in the United States, and so this week we feature a site that looks at news and
Mexico Authorities Free 275 Trapped In Forced Lab Bioparques de Occidente is a tomato sorting and packing company in the municipality of Toliman in the western state of Jalisco. The management finds workers to get the tomatoes ready for export in nea
Malta Forced to Cancel Repatriation of African Refugees Tired, hungry and dehydrated, 68 migrants who'd set sail from Libya were rescued by Maltese patrol boats Wednesday 50 kilometers off the coastline, after their vessel lost power. It's the second
Vehicles May Soon Be Talking to Each Other 汽车或许很快就能相互交流 WASHINGTON U.S. regulators are close to approving new standards for enabling vehicles to communicate with each other, hoping the new technology will reduce traffic accide
1. Cyber Sickness 晕屏症 Also called digital motion sickness, symptoms that range from headaches to woozy feelings can occur when you quickly scroll on your smart phone or watch action-packed video on your screen. 这种病也被称为数字晕车,
Why Don't Snorers Wake Themselves Up? Anyone who's ever slept in the same room as a loud snorer knows how infuriating it is to have to suffer through all that noise while the offending party remains blissfully oblivious and asleep. Loud snorers can w
The United Nations Children's Fund is calling for a halt to the forced recruitment of child soldiers in the Democratic Republic of Congo. It says all warring parties in North Kivu Province forcibly recruit children into their armies. Lisa Schlein re
At the just concluded 2018 Yale US-China Forum held in New Haven, Connecticut, cooperation between Chinese and American companies was a topic that drew heated discussions among guest speakers. A number of US companies and scholars have refuted the US