作费用,管理成本

By Melinda Smith Washington, DC 27 September 2006 watch Colon Cancer report Growth(s) discovered in a colon Colon cancer is one of the most common forms of cancer in the world. But with early detection, colon cancer is highly treatable. If you have

发表于:2019-01-06 / 阅读(93) / 评论(0) 分类 2006年VOA标准英语(九月)

By Zulima Palacio Washington, DC 27 January 2006 watch Gene report Mapping the Human Genome has been one of the most complex research projects of recent decades. Its findings could open many windows,

发表于:2019-01-13 / 阅读(95) / 评论(0) 分类 2006年VOA标准英语(一月)

Scientists Unravel Potato's Genetic Blueprint Scientists have decoded the genetic blueprint of the world's third most important food crop: the potato. Researchers from 26 institutions around the world worked on the project to sequence, or map, the po

发表于:2019-01-14 / 阅读(61) / 评论(0) 分类 VOA标准英语2011年(七月)

By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis

发表于:2019-01-26 / 阅读(133) / 评论(0) 分类 2006年VOA标准英语(九月)

84 利用基因技术提高粮食产量 DATE=8-14-01 TITLE=AGRICULTURE REPORT - Genetic Engineering Crop Debate BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(68) / 评论(0) 分类 科技之光

AGRICULTURE REPORT – April 9, 2002: Genetic Engineering Debate By George Grow This is the VOA Special English AGRICULTURE REPORT. An international debate continues about genetically engineered corn.

发表于:2019-01-30 / 阅读(42) / 评论(0) 分类 农业与发展