The students developed a device for cars to collect information on road conditions, driving behavior and traffic incidents.
VOA: special.2011.07.18
In nineteen forty-seven, Doctor Beck saved a patient with a defibrillator device for the first time.
VOA: special.2009.08.11
The most important device for knowing directions on the ocean is a compass.
VOA: special.2010.07.14
A stopper device on the tube-like container held food for the ants as they traveled to their new homes.
VOA: special.2011.02.15
Before the laser, scientists developed a similar device: a maser which stands for Microwave Amplification by Stimulated Emission of Radiation.
VOA: special.2010.09.01
Les Paul is best known for creating one of the first solid-body electric guitars and the eight-track recording device.
VOA: special.2009.09.27
The company that makes the device,Medtronic,helped to pay for the study.
VOA: special.2009.02.03
The U.S.Food and Drug Administration has not yet approved the device to be used for heart failure patients.
VOA: standard.2010.06.04
Experts say terrorist groups are seeking materials for a crude nuclear device - a so-called "dirty bomb" - that would have limited blast potential but could spread radiation in a major urban area.
VOA: standard.2010.04.11
On new taxes, House lawmakers have proposed a 5.4 percent surtax on individuals earning more than $500,000 per year and families with incomes exceeding $1 million,along with with new fees for insurance companies,drug-makers, medical device manufacturers.
VOA: standard.2009.12.25
"I know some people will regard that as peculiar for a digital device but it is, it's more like an album launch or a film premiere because the device is not just something for nerds, it has a cultural meaning too."
VOA: standard.2010.05.28
Dr.Leslie Miller at Washington Hospital Center is involved in clinical trials of heart pumps, including this one that the U.S.Food and Drug Administration has approved as a device that can permanently replace the heart for patients who are too old to be considered for a heart transplant.
VOA: standard.2010.01.27
应用推荐