OverviewRare earth elements are also called rare earth metals. Rare earth metals have been widely used in electronics, petrochemicals, metallurgy, machinery, energy, light industry, environmental prot...

ClassificationGenerally, there are two types of non-tariff barriers and tariff barriers. In a broad sense, all kinds of artificial measures that hinder normal trade and interfere with the role of mark...

Technical introductionFace recognition technology is based on human facial features. For the input face image or video stream, first determine whether there is a face, if there is a face, then further...

Development statusXingxing Jihua Group Co., Ltd., formerly known as Xinxing Casting Pipe Group. As a central enterprise supervised by the State-owned Assets Supervision and Administration Commission o...

Brief introductionFan Johnson was born in Newport, Rhode Island, USA in 1916. He is another most popular boy next door in Hollywood. In the 1940s, following Clark Gable, Robert Taylor and other supers...

The synonym Kham-Tibet Highway generally refers to the Chengdu-Lhasa Highway. OverviewThe northern line is first built, but the southern line is more important. It passes through Kangding (the histori...

Literary AchievementsIn 1991, Wanma Caidan studied at Northwest University for Nationalities; in the same year, he began to publish literary works. In 1995, he worked in the government of Hainan Tibet...

Character's life Early life, forging lifeOn July 1, 1646, Gottfried Wilhelm Leibniz was born in Leipzig in the Holy Roman Empire His grandfather had served in the Saxon government for three generation...

Director membersThere are 131 members of the board of directors of the society, with six working committees including academic, editing, consulting, science popularization, foreign affairs, and organi...

Character's LifeMinsky was born in New York City on August 9, 1927. His father was an ophthalmologist and an artist at the same time. His mother is an active Zionist (what a funny coincidence: McCarth...

>Original Chengdu East Railway StationChengdu East Railway Station is located in Balizhuang. Its predecessor was the freight room and operation room of the original Chengdu Railway Station. When the C...

>In 1902, the famous educator of the Song Dynasty Hu Yuan founded the "Taizhou School" on the site of lectures. In 1906, the school was renamed "Taizhou Middle School". In 1912, the school was renamed...

Brief introductionRe-urbanization means that due to the increasing pressure of traffic congestion, crime growth, serious pollution and other urban problems, the urban population begins to flow to the...

Synonyms returning from studying abroad generally refer to returnees (persons who have studied abroad and returned to work in the country) BackgroundIn 1999, they were on a talk show on Phoenix Satell...

CompositionWith the rapid development of communications and the increasing popularity of telephones, the installation of telephones in densely populated cities or remote mountainous areas faces a seri...

Term ExplanationCopyright, also known as copyright, includes the following personal rights and property rights: publishing rights, authorship rights, modification rights, protection of the integrity o...