单词:ventricular demand pacemaker
单词:ventricular demand pacemaker 相关文章
第四篇 心血管系统 Section 4 Angiology 第一章 心血管系统 Chapter 1 Cardiovascular System abdominal aorta 腹主动脉 anterior cardiac vein 心前静脉 anterior inferior sinus of pericardium 心包前下窦 anterior interventricular branch 前室间支 anterior inte
SCIENCE IN THE NEWS - Major Progress in Health Through Technology From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move
Alzheimer's disease or AD is an illness that seriously affects senior citizens. It causes memory loss, and patients may even gradually lose some of their basic physical abilities. But now researchers in the U.S. are using technology to reduce memory
Pacemakers are expensive. Though some pacemaker manufacturers have dropped the price down to $800 in poorer countries, thats still out of reach for many. One to two million people die each year because they dont have access to this life-saving techno
1. NASA will have to try again tomorrow. Bad weather forced Mission Control to call off today's scheduled launch of Discovery at the last minute. NASA will try again tomorrow but bad weather is still
This is the VOA Special English Health Report. A pacemaker is a small device that doctors place in people with an abnormal heartbeat. If a heart beats too slowly, the pacemaker will use electrical signals to help set a normal rate. Some devices inclu
Major Progress in Health Through Technology From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move a robotic arm. We tel
Sri Lanka hopes to take advantage of the growing regional demand for information technology graduates. A new training institute opens next year to provide skilled graduates to meet increasing demand. Ron Corben recently visited Colombo and has this
OPEC Sees Oil Demand Decline Again Demand for crude oil from OPEC countries is expected to decline again next year, as independent producers, especially the United States, increase their supplies. Times are gradually changing for OPEC, the Organizati
Lesson 90 Demand 1.This work demand scare and patience . 2.She demanded to talk to the headmaster . 3.I demand to know the truth . 4.The policeman demanded the boy's name . 5.We demand that you should give an answer at once . 6.They refused my demand
You give me premature ventricular contractions. You make my heart skip a beat. 语音讲解: 单词发音 premature /ˌpreməˈtʃʊə $ ˌpriːməˈtʃʊr/ ventricular /ven'trɪkjʊlə/ contraction /kənˈtrkʃən/ 连词发音 skip a beat /skɪpə
From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move a robotic arm. We tell about efforts to develop an experimental g
By Noel King Kigali 18 October 2007 Dissident Congolese General Laurent Nkunda and his National Congress for the People's Defense will not surrender or agree to integrate in Congo's national army without formal negotiations, a spokesman says. Noel Ki
By Naomi Schwarz Dakar 18 October 2007 On the third anniversary of an army crackdown that killed more than 70 people in the Democratic Republic of Congo, families of the victims fear their court case is being blocked by powerful politicians. The army
By Kurt Achin Seoul 04 June 2008 The leader of South Korea's main political opposition party is accusing the United States ambassador in Seoul of insulting Koreans. The comments in question relate to an emotionally electrified controversy over resum
A demonstrator is blocked by Bolivarian National police during an anti-government march to the headquarters of the national electoral body, CNE, in Caracas, Venezuela, Wednesday, May 18, 2016. Opposition protesters were blocked from reaching the CNE
The oil-producing OPEC cartel has for the fourth straight month trimmed its estimate of world demand for oil for the rest of this year and in 2012. The 12-nation Organization of the Petroleum Exporting Countries said Tuesday that the demand for oil w
VIENNA, Jan. 17 (Xinhua) -- The Organization of Petroleum Exporting Countries (OPEC) (石油输出国家组织 )raised its forecast Monday for global oil-demand growth this year, encouraged by outlook of continued world economic recovery. In 2011
CHICAGO, April 1 (Xinhua) -- General Motors Co. said on Friday that it sold 206,621 vehicles last month, up 11.4 percent from a year ago, as higher gasoline prices triggered demand for smaller and more fuel-efficient vehicles. The U.S. automaker said
Alzheimer's disease or AD is an illness that seriously affects senior citizens. It causes memory loss, and patients may even gradually lose some of their basic physical abilities. But now researchers in the U.S. are using technology to reduce memory