19世纪初,法国著名科幻小说家儒勒·凡尔纳曾在他的作品《马蒂斯·桑多尔夫》中,描写过一个大力士马蒂夫施展神力的惊险片段(如图1):人们急不可待地观看重达50 t的“特拉波科罗”号从船坞里下水.只听“呼”的一声,香槟酒瓶撞在船头上,酒沫飞溅.船工们已经砍断缆索,庞大的“特拉波科罗”号立即沿滑架向水中滑去.突然岸上的人们惊叫起来,因为一只急速驶 In the early 19th century, the famous French science fiction novelist Jules Verne once depicted in his work “Matisse Sandorff” a thrilling fragment of Hercules’s divine power (Figure 1) : People could not wait to watch the “Trapporo”, which weighs up to 50 tons, from the dock, just listen to the “champagne bottle” hit the bow, splashing. We have cut off the cables, and the huge “Trapporo” slips right into the water along the carriage. Suddenly the people on the shore screamed,