The invention of the compass allowed Chinese sailors to sail on open seas. Besides, the Chinese also invented movable sails, which worked better than the fixed sails the Europeans used at the beginning of the Age of Exploration. All in all, the Song dynasty was a successful period in ...
The invention of the compass.which ruled the Asian empire between 960 and 1280 A.D.解析】文章主要谈到了中国的四大发明,BCD三When Mareo Polo came to China in the 13th项均是片面概括,因此A项是正确选项century he discovered a very modern and civilized2. How many years has Song Dynasty ruled ...
the Chinese discovered that a magnet could be applied to indicate the south and north and a direction-indicating instrument sinan was made on the basis of this feature.In the Song Dynasty,people created a proper compass called luopan.The invention of the compass has an epoch-making...
Four great inventions of China include the compass, gun powder, the paper-making technique and the printing technique. They are one of the marks that China occupies an important position in the history of human civilization.The first compass was invented during the Warring States Period. It was ...
Before thecompasswas invented, explorers had to look at the sun, moon, and stars for directional guidance. The Chinese first used magnetic rocks to determine north and south. This technique was later incorporated into the design of the compass. ...
The invention of the compass allowed Chinese navigators(航行者) to sail on open seas. Besides, the Chinese also invented movable sails, which worked better (63) than the early fixed sails of European navigators at the beginning of the Age of Exploration . All in all, the Song dynasty was ...
It became a round compass after several improvements.Before the invention of the compass, people depended on reading the positions of the sun, the moon, and pole stars to tell directions in open water or the unfamiliar area. Traveling was difficult in cloudy or bad weather.Gunpowder The ...
The compass is an important invention of ancient China that reflects the ancients' emphasis on direction. The ancients used compasses in military affairs, navigation, and divination. This chapter illustrates the discovery of magnetic directivity and polarity, as well as the application and dissemination...
Four Great Inventions of Ancient China -- Gunpowder The invention of gunpowder had a close relationship with the advanced ancient workmanship of smelting industry. People began to know a lot of chemistry knowledge about the nature of different mineral materials during the process of ...
Compass, gunpowder, papermaking skill and typography, is China ancient four inventions, it is one of the signs that China become the ancient civilized country, occupy the important position in the history of human civilization.。Compass。The invention of the compass is the result of China ancient...