单词：convex region
单词：convex region 相关文章
The first China-Eurasia Expo is coming to a close in Urumqi, capital of the Xinjiang Uygur Autonomous Region. Some 50,000 officials and business people from China and about 30 countries, regions and international organizations attended the five-day t
世界各地新闻集锦
Broadcast: Jan 29 2003 Two senior U.N. officials warn the HIV/AIDS pandemic in southern Africa is changing the nature of 1) famine in the region and is 2) unleashing a disaster that threatens the exis
VOA2003（上）-健康之旅
By Brian Padden Irbil, Iraq 23 August 2007 The electricity shortage in Iraq continues to plague the country. Power blackouts have become a telling symbol of the difficulties Iraq's government and the United States are having in improving life for ord
2007年VOA标准英语（八月）
A rebel group in Ethiopia's arid Somali region has issued an urgent appeal for humanitarian assistance, accusing the government of blocking aid deliveries. The Ogaden National Liberation Front (ONLF) insurgent group says people and livestock are dyin
VOA标准英语2011年(三月)
The Gannan Tibetan Autonomous Prefecture in southwestern Gansu province is the location of major tributaries of both the Yellow and Yangtze rivers. In recent years, local governments have been working to restore the local environment to protect the h
2018CRI中国国际广播电台
By Derek Kilner Nairobi 06 February 2008 Two explosions have killed at least 20 people in the port town of Bosasso in the semi-autonomous Puntland region of Somalia. As Derek Kilner reports from VOA's East Africa Bureau in Nairobi, Puntland has gener
VOA常速英语2008年（二月）
By Douglas Bakshian Manila 08 October 2007 The Asian Development Bank says Asia and the Pacific are behind in meeting certain parts the United Nation's Millennium Development Goals. A new report by the ADB and the U.N. Development Program says progre
2007年VOA常速英语（十月）
In the Pacific state of Hawaii, U.S. President Barack Obama on Sunday told leaders of the 21 Asia Pacific Economic Cooperation economies that the region will be key to U.S. economic recovery. With much of the formal summit activity, including a worki
英语新闻
Residents of the breakaway Georgian region of Abkhazia voted for a new president Friday, three years after Russia recognized the region, and another breakaway area, South Ossetia, as independent states. Three candidates are hoping to replace Presiden
英语新闻
Musicians from Chinas National Symphony Orchestra are embracing the cultures of Yunnan province. Having visited in person, they composed pieces based on the regions music and performed them on site for the locals. The concert in the Grand Theater ope
cctv9英语新闻2016年