What does Daxinganling mean in Mongolian?

Daxinganling means extreme cold in Manchu and mountain in Mongolian.

The origin of Daxinganling is the name that distinguishes Xiaoxing 'anling, and it has the meaning of rejuvenating the country and making the country prosperous. In order to develop the Daxinganling forest region, on February 1th, 1964, the Central Committee and the State Council decided to develop the Daxinganling forest region. On August 1th of the same year, the State Council approved the establishment of Daxinganling Special Zone in Huma County of Heilongjiang Province and Oroqen Autonomous Banner of Inner Mongolia Autonomous Region. The People's Committee of the SAR and the Daxinganling Forestry Administration are "integrated with government and enterprise" and are based in Jiagedaqi, under the dual leadership of Heilongjiang Province and Inner Mongolia Autonomous Region, with Heilongjiang Province as the main leader. The special zone consists of four districts (county level): Songling, Xinlin, Huzhong and Tahe. In November 1967, with the approval of the Revolutionary Committee of Heilongjiang Province, the Revolutionary Committee of Daxinganling Special Zone was established, and the People's Committee of the Special Zone was formally abolished. In February 197, the special zone set up Jiagedaqi District. In April of the same year, the State Council and the Central Military Commission approved the cancellation of the Daxinganling Special Zone and the establishment of the Daxinganling area, and placed the Oroqen Autonomous Banner and the Molidawa Daur Autonomous Banner, which belong to Huma County and Hulunbeier League, under the jurisdiction of the Daxinganling area; In August, set up a big poplar area. At this point, the Daxinganling area * * * governs 1 county, 2 flags and 6 districts. In October 1971, amuer District was established. In March 1973, Gulian District was established. In September 1975, the Dayangshu District was abolished. In March, 1977, a strong area was set up. At that time, the whole region * * * governs 1 county, 2 flags and 8 districts. On May 3, 1979, the Central Committee and the State Council decided to put Oroqen Autonomous Banner and Molidawa Daur Autonomous Banner under the jurisdiction of Inner Mongolia Autonomous Region, and the handover procedures were formally completed on July 1 of the same year. In September 198, according to the provisions of the new Constitution, the Revolutionary Committee of Daxing 'anling Region was changed into the administrative office of Daxing 'anling Region, which was an agency of the provincial government. The administrative office is located in Jiagedaqi District, which governs 1 county and 8 districts. In May, 1981, the State Council approved the establishment of Tahe County and Mohe County, and abolished Tahe, amuer, Tuqiang and Gulian districts. At that time, the Daxinganling area * * * governed Huma, Tahe and Mohe counties and Jiagedaqi, Songling, Xinlin and Huzhong districts. By 1992, there was no change in the county setting in Daxing 'anling area.