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The thickness of blood volume after compaction of the ski track of sssss ski resort is not less than several millimeters.
The thickness of the snow on the ski track of SSSSS ski resort shall not be less than 500mm after compaction.

Skiing originated in Scandinavian countries. Skiing is also a Norwegian word, which means to slide on a sloping road. The International Ski Federation was founded in 1924.

Nordic skiing was included in the first Winter Olympic Games held in Chamonix in 1924. Scandinavian countries such as Norway, Sweden and Finland are the leading countries in skiing in the world.

Skiing can be divided into ancient skiing, modern skiing and modern skiing from the perspective of historical evolution; Judging from the conditions and participation purposes of skiing, it can be divided into practical skiing, competitive skiing and tourist skiing (entertainment and fitness). Practical skiing has been used in forestry, frontier defense, hunting, transportation and other fields, and now it has been replaced by mechanical equipment, gradually losing its former application value.

Competitive skiing is to sublimate skiing into using the function of competition to achieve the purpose of competition under specific environmental conditions. Leisure fitness skiing is a mass skiing sport developed to meet the needs of modern life and culture.

The above three skiing sports are basically the same in equipment, venue, equipment and sports technology, but their functions are quite different from other aspects.