加拿大科学家说,用于天气预报的人造卫星照片将会有助于非洲国家控制撒哈拉沙漠的扩大。 普雷沃斯博士1978年考察了非洲西部地西认为,卫星照片作为发展中国家战胜沙漠的重要武器是可行的。它将使科学家查明灌木林起火的地点,给政府采取必要的防御措 Canadian scientists said satellite photos for weather forecasting will help African countries control the expansion of the Sahara Desert. In his study in 1978, West Africa West, Dr. Prevos considered that satellite photos were feasible as an important weapon for developing countries to defeat the desert. It will allow scientists to pinpoint the location of the bush fire and take necessary defensive measures for the government