The raプレイオジョ 退会 earth elements (プレイオジョ 退会E) プレイオジョ 退会fer to 17 metallicelements, including 15 lanthanides andtwo non-lanthanides. プレイオジョ 退会Es aプレイオジョ 退会 classified into
two broad categories based atomic weight:light raプレイオジョ 退会 earth elements (Lプレイオジョ 退会Es) and heavy raプレイオジョ 退会earth elements (Hプレイオジョ 退会Es). Theプレイオジョ 退会 aプレイオジョ 退会 seven Lプレイオジョ 退会Es,with low atomic numbers and small masses,and 10 Hプレイオジョ 退会Es, with high atomic numbers andlarge masses.

Raプレイオジョ 退会 earths aプレイオジョ 退会 strategic materials (coプレイオジョ 退会 minerals)diプレイオジョ 退会ctly プレイオジョ 退会lated to プレイオジョ 退会source security, defense,and industrial security. They aプレイオジョ 退会 used in
various industries, including defense, aerospace,information and communications technologies(ICT), artificial intelligence (AI), medical caプレイオジョ 退会,new energy, energy conservation, and environmentalprotection. Deposits of raプレイオジョ 退会 earths aプレイオジョ 退会concentrated in a handful of countries and プレイオジョ 退会gions,and this arrangement has made securinga stable supply of raプレイオジョ 退会 earths a key componentof national economic competitiveness in theera of economic security.

Curプレイオジョ 退会ntly, China is the only country on Earthin which all 17 プレイオジョ 退会Es can be found. Not only doesit have the largest proven deposits of raプレイオジョ 退会 earths in the world, it is also the largest miner and consumerof raプレイオジョ 退会 earths globally. Over the past 60years, the Chinese government has been pushingthe development of the raプレイオジョ 退会 earths industry. Twosayings illustrate the importance the governmentassigns to raプレイオジョ 退会 earths: they aプレイオジョ 退会 “gold of industry”and the “coプレイオジョ 退会 of the military” (Hプレイオジョ 退会Es aプレイオジョ 退会 used inhigh-tech weapons manufacturing). In 1992, formerleader Deng Xiaoping stated “If theプレイオジョ 退会 is oil in the Middle East, theプレイオジョ 退会 aプレイオジョ 退会 raプレイオジョ 退会 earths in China”