美国、加拿大访问散记（上）□李淳７月底到８月中旬，正是炎夏，我们山西农业考察团一行八人赴美国、加拿大访问。二十天时间内，飞越太平洋，两次横穿北美洲大陆，先后考察加拿大两市，美国８市７州，空中飞行总计３８小时，行程４万公里，乘汽车行程２５００公里。所见... Visiting Scientists in the United States and Canada (Part One) Li Chun From the end of July to the middle of August, it was the summer of China. Our Shanxi agricultural delegation traveled to the United States and Canada for a visit. In twenty days, flying over the Pacific Ocean and crossing the North American continent twice, the two cities visited Canada and the United States in eight cities and seven states. The flight totaled 38 hours, traveling 40,000 kilometers and traveling by car for 2,500 kilometers. See ...