糧食基本上係國家既戰略產業,所以我唔明你點解話中國唔拎錢去發展農業科技,我想講既係你話中國糧食短缺係大問題根本就唔成立,唔止中國,每個國家都用好多錢落農業的,你睇到中國農業落後係因為見到好多中國窮既農夫,但你要明白,農夫唔=農業,果呢個問題係後話,我唔再引申
from 國家統計局: 2009年,中国农业占GDP的比例为10.6%
師兄,你d料都好舊
以你推論,我係咪應該話飛機?係3國時代呢個計劃早已失敗? http://www.usatoday.com/tech/sci ... deathray14_CV_N.htm
自己睇,2年前
"An infrared image of the Missile Defense Agency's Airborne Laser Testbed destroying a threat representative short-range ballistic missile, left, Feb. 11, 2010. A high-energy laser mounted on a U.S. military aircraft shot down a ballistic missile in the first successful test of the weapon, the agency said on Feb. 12. The experiment was carried out off the central California coast at Point Mugu Naval Air Warfare Cent"