单词：differential length
单词：differential length 相关文章
A new push is on in China to try to improve the 'greening' of this country's industrial firms, which are traditionally some of the largest polluters in the country. Yanshan Petrochemical runs a large petrochemical complex in Beijing. Situated in a so
2018年NPR美国国家公共电台6月
Scott Stearns President Bush marked Earth Day with a new program to better protect American wetlands. The president's presumptive Democratic challenger, Massachusetts Senator John Kerry said that Mr.
VOA2004（上）--各类新闻
A state-level wetland park was established in Taklamakan, China's largest desert, in the northwest Xinjiang Uygur Autonomous Region. 在新疆乌鲁木齐自治区的西北部，也就是中国最大的沙漠，塔克拉玛干，将会建设一个国家
英语新闻
上海世博会场馆介绍之香港馆：无限城市 香港馆为一座三层高的钢结构建筑，外形优美并富有现代感。展馆中层通透，让观众感受到香港是个现代化、开放自由、高度透明的社会，凸显香港与
实用英语
TIANJIN, Dec. 15 (Xinhua) -- More than 200 rare migrating birds have taken up residence at a wetland in north China's Tianjin Municipality despite heavy snow, a rare occurrence for this time of year, according to a local volunteer. The oriental white
英语新闻
One of the challenges the new economic zone faces is wetland preservation as in the middle of the area lays the largest freshwater reserve in Hebei province. 143 lakes, covering 360 square kilometers.... The Baiyangdian wetland is the largest freshwa
cctv9英语新闻2017年