美国农业部网站说大部分美国种植的玉米,棉花,大豆都是杂交或转基因
http://www.usda.gov/wps/portal/usda/usdahome?navid=AGRICULTURE&contentid=BiotechnologyFAQs.xml
5. How widely used are biotechnology crops?
According to the USDA's National Agricultural Statistics Service (NASS), biotechnology plantings as a percentage of total crop plantings in the United States in 2012 were about 88 percent for corn, 94 percent for cotton, and 93 percent for soybeans.
今年夏天入的精盾k480n,i7的,用下来还不错,加了128g的ssd,升级到16g内存,绝大部分应用轻松应付,总共才花了4千多
关注数量超出限制,
请先删除部分内容再尝试