七月三十日北京夏令时间十六点十五分,上海市天空晴朗,一只白色、光亮的飞行物体,从长江口上空缓缓飞临市区,许多行人在马路边驻足仰望。中国和日本合作放飞的高空越洋科学气球在上海上空遨游了三十分钟后,正向西飘行。它体积三万立方米、直径四十二点一米、重量二百八十公斤。 July 30 Beijing timelight day 16:15, Shanghai has a clear sky with a white, bright flying object that slowly flutters into the city from the mouth of the Yangtze River. Many pedestrians stopped by the road to look up. After a 30-minute flight over Shanghai, the high-altitude oceanographic scientific balloon that China and Japan co-operated with were flying westward. It has a volume of 30,000 cubic meters, a diameter of 42.1 meters and a weight of 280 kilograms.