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Eurasian grassland refers to the Black Sea coast west、European grassland and Asian grasslands in Lake Baikal。Eurasian Grassland and today's northern China will start with ethnic and cultural interaction at the beginning of the beginning of the 2,000 BC，The occurrence of early civilization in China、Development has played a role in promoting。This article selects three important topics with sufficient information for discussion，That is the emergence and development of early metallurgical technology in Northwest China、The two -wheeled spoke carriage found in Yinxu and the carriage of the Eurasian grassland、Xiajiadian's upper -level culture -The carrier of the intersection of Eurasian grasslands and Central Plains cultural intercourse。The region is from west to east，Its time is from 2,000 BC to the 8th century BC (late Western Zhou Dynasty to early Spring and Autumn Period)。

The beginning of 2,000 BC to the middle of 2,bet365 live casino games 000 BC，Northwest China has a large copper smelting industry earlier compared to the Mainland。A variety of relics unearthed from the Xichengyi site of Zhangye City, Gansu City, which are newly discovered in the Hexi Corridor in recent years，shows cultural contact with Central Asia and West Asia。More important thing is，Xichengyi was an important smelting center at that time。Xichengyi Phase II (approximately 2000-1700) Found red copper，But already has Kun Tong，Issue 3 (about 1700 -ahead 1600) and other four dams of cultural sites at the same time appeared.，To Jiuquan dry bone cliffs, the four dam culture has increased significantly compared with the late tombs，The proportion exceeds arsenic bronze。This situation clearly shows that the Hexi Corridor area has undergone a trend of transformation from red copper -arsenic bronze -tin bronze。Early arsenic and bronze content concentrated between 3.5%-5%，The proportion of the best performance that conforms to the best performance，But this proportion is in West Asia、Central Asia has taken a long time since the middle of the 4,000 BC, and it has only been grasped for a long time。Therefore，Arsenic bet365 best casino games and bronze in the Hexi Corridor area is based on local，But it is likely to use West Asia、Central Asia has more mature arsenic bronze smelting technology。Sima culture is later turned into tin bronze at a later stage，The proportion of tin in the alloy (the bronze culture of Hami Tianshan North Road, Xinjiang also has similar situations in the proportion of tin bronze alloys)，It is possible to be affected by the Siima -Turbinno phenomenon in the middle of Eurasia's grasslands。Research on the smelting technology developed under the influence of the Eurasian grassland culture in the Northwest region，For the problems in the early copper smelting technology in the Central Plains region with a closer geographical and cultural connection (such as the emergence of arsenic and bronze、Use of Shi Fan, etc.)，It has very important significance。

Anyang Yinxu excavated car and horse pit expressed，From the early start of the culture of Yinxu，The businessman already has a mature two -wheeled spoke carriage and a variety of copper car horses。The driving of a carriage has an important impact on traffic and war methods，It is an important driving force for the development bet365 live casino games of early civilization。But in the preliminary relics of the business discovery，No carriage。The carriage suddenly appeared suddenly in the early early stage of the business，and very mature，The source of its source has been paying attention to Chinese and foreign scholars for many years。In Yin Ruins, it has something to do with the carriage and is buried in the burial pit around the tomb of Shangwang.，In Yinxu's resignation, we can see that the Shang Dynasty has a shepherd from the northern ethnic group and the army composed of members of the northern ethnic group，There are a large number of northern weapons unearthed in Yinxu，All reflect the contact of the northern ethnic groups that are closely related to Eurasian grasslands through war and other methods through war，The technology of manufacturing and driving the carriage and horses undoubtedly comes from these northern ethnic groups。In the 1970s，In the Cynthta cemetery in the southeast of the Ural Mountains，Discover the two -wheeled spoke carriage of about 2000 BC。Especially in 1956 in the ancient tomb group of Kashen, Armenia，A two -wheeled spoke carriage of about 1500 BC，It is bet365 live casino games extremely similar to the Yinxu horse carriage，It provides important information for revealing the origin of Yinxu carriages。The biggest possibility is，The carriage is introduced into the Central Plains through the central and eastern Eurasian grasslands，Its media should be the northern group that is widely connected with businessmen。

Distributed in the Limuron River in the northeast、Laohahe、Teach Xiajia Store in the Xiajia Store in the River Basin，Enter the prosperity period equivalent to the early and mid -period of the Spring and Autumn Period，clearly reflects the characteristics of a variety of cultural interweaving。In addition to its own regional cultural characteristics，Weapons unearthed in some important tombs、Tools、Horse and other utensils and decorations，Most of the cultural utensils distributed in the slate tombs distributed in the eastern part of Eurasia，It also contains the cultural factors represented by Ali Ranzu (No. 1 Tomb) located in the Tuwa area。Central Plains Copper and imitation Zhongyuan -style pottery unearthed in some high -level tombs、Copper，It also reflects the facts of the relationship between the state of Yan bet365 best casino games Kingdom and other Central Plains。The upper culture of Xiajiadian should be an important medium that is related to the Central Plains culture in the two weeks of the two weeks.。Especially the horse riding ornaments unearthed from the upper cultural tomb of Xiajiadian revealed，Eurasian grassland ride -ride is likely to be introduced into northern China through the upper culture of Xiajiadian in the 8th century BC from 9 BC to the 8th century BC。

Example description of the above three aspects，The development of civilization is inseparable from different geographical areas、communication and interaction between different ethnic groups。The collision and fusion between multiple civilizations，It is an important and necessary condition for the development of human civilization。