船的历史(英文ppt)

1、 The history of the shipprehistory and antiquityrenaissances p e c i a l i a t i o n a n d modernizationtodaythe history of shipsFourperiods The first known vessels date back about 10,000 years ago,but could not be described as shipsKhufu ship 143 feet (44 m) in length 2500 BC found intact in 1954.T

2、he oldest discovered sea faring hulled boat is the Egyptian Uluburun shipwreck off the coast of Turkey, dating back to 1300 BCThe Phoenicians, the first to sail completely around Africa, and Greeks gradually mastered navigation at sea aboard triremes, exploring and colonizing the Mediterranean via s

3、hip.Towards the end of the 14th century, ships like the carrack began to develop towers on the bow and stern.In the 16th century, the use of freeboard and freeing ports became widespread on galleons. Columbuss voyogeZhenghes voyogeDuring the first half of the 18th century, the French Navy began to d

4、evelop a new type of vessel known as a ship of the line, featuring seventy-four guns.This type of ship became the backbone of all European fighting fleets. Ship designs stayed fairly unchanged until the late 19th century. The industrial revolution, new mechanical methods of propulsion, and the ability to construct ships from metal triggered an explosion in ship design. Ships built for entirely new functio