On November 21, 1981, “Yinhe I” supercomputer, with a performance of 100 million Flops, was successfully developed by National University of Defense Technology and got by state verification in Changsha. Yinhe I was at that time the fastest and most powerful computer. Its birth filled in the gap in domestic supercomputer research and marked China entering the rank of international research of supercomputer. China had become the third country in the world which could develop large-scale computer after the US and Japan.
It was then used in the detection of oil and coal mines. Besides, it was also used for the satellite route analysis. At that time, only a few developed countries could develop supercomputer. The success of Yinhe brought Chinese computer industry into a very fast development. After Yinhe one, the Yinhe Two and Three came out in 1992 and 1993, respectively.
In 1997, the large-scale computer “Galaxy-III” that could calculate 13 billion times in one second was developed in the University of National Defense Science and Technology. Galaxy series large-scale computers have displayed its prowess fully in the weather forecasting, which not only enabled our country to rank among few countries that could make mid-term numerical weather forecast, but also remarkably improved the capability of forecasting serious natural calamities and yield enormous economic and social efficiencies.
The Xin’anjiang Hydropower Station, the country’s first large-scale power plant designed and built by Chinese in the 1950s, is still the pride of the local people. It is on the Xin’an River in Jiande city of Zhejiang Province in east China. Moreover, it formed a huge reservoir (Qiandao Lake) with 1,078 islands, which is part of a golden tourist route linking Hangzhou, Provincial capital of Zhejiang, and Mount Huangshan in neighboring Anhui Province.
Though squeezed out of China’s top 50 power stations, the self-designed and self-built Xin’anjiang Hydropower Station was the country’s first large-scale power plant after independence. The Xin’anjiang Hydropower Plant has 9 power generating units with a total installed capacity of 845,000 kw. And annual output of 1.86 billion kwh. As the first reinforced concrete dam in China, the Xin’anjiang Dam is 105 meters high, also the first dam over 100 meters in China. The Dam is 466.5 meters long, with a total storage capacity of 22 billion m3 and a maximum flood discharging capability of 14,000 m3/s.
As the first landmark in hydropower development in new China, it has played and is still playing a major role in fueling the local economy, while acting as an example for hydropower development, station management, and resettlement of people in reservoir areas.
Marco Polo (1254-1324) was an Italian merchant and traveler.
He was born in a merchant family in Venice. He went to China with his father and uncle at the age of 17. In 1275, he arrived in Shangdu (in today’s Inner Mongolia) and became a favorite of Kublai Khan (1214-1294). He assumed several official posts in succession in the Yuan (1271-1368) court and served there for 17 years.
He traveled across the whole of China and once visited Burma. In 1295, Marco returned to Venice. There he commanded a galley in a war against the rival city of Genoa, and was captured during the fighting and spent a year in a Genoese prison, where one of his fellow-prisoners was a writer of romances named Rustichello of Pisa. It was only when prompted by Rustichello that Marco Polo dictated the story of his travels, known in his time as The Description of the World or The Travels of Marco Polo.
His account of the wealth of Cathay (China), the might of the Mongol empire, and the exotic customs of India and Africa made his book the bestseller soon after. The book became one of the most popular ones in medieval Europe and the impact of his book on the contemporary Europe was tremendous.
On November 21, 1981, “Yinhe I” supercomputer, with a performance of 100 million Flops, was successfully developed by National University of Defense Technology and got by state verification in Changsha. Yinhe I was at that time the fastest and most powerful computer. Its birth filled in the gap in domestic supercomputer research and marked China entering the rank of international research of supercomputer. China had become the third country in the world which could develop large-scale computer after the US and Japan.
It was then used in the detection of oil and coal mines. Besides, it was also used for the satellite route analysis. At that time, only a few developed countries could develop supercomputer. The success of Yinhe brought Chinese computer industry into a very fast development. After Yinhe one, the Yinhe Two and Three came out in 1992 and 1993, respectively.
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