Keywords: biānfáng, 边防, border defense, frontier defense, Chinese border, border patrol, frontier guard, PLA, national security, China military, border control.
Summary: The Chinese term 边防 (biānfáng) refers to border defense or frontier defense. It's a formal and significant concept in China, encompassing the military and police systems, personnel, and infrastructure dedicated to protecting the nation's vast land and sea borders. Far more than just “border patrol,” `边防` is deeply linked to national sovereignty, security, and China's long history of guarding its frontiers. Understanding this term is key to comprehending Chinese news, geopolitics, and the state's perspective on national security.