Sufficient be linked together cheek by jowl with main and collateral channels , main and collateral channels is the system of important medical protection of human body , as a result of the existence of main and collateral channels , human body had the capacity of ego adjustment and acclimatization , the main and collateral channels when disease happening has ego iatrical function ( call human body potential ) 足与经络紧密相连，经络是人体的重要医疗保健系统，由于经络的存在，人体便具有了自我调节和适应环境的能力，疾病发生时经络具有自我医疗的功能（称作人体潜能） 。
Ndfeb magnet is mainly made of neodymium , iron and boron , with excellent magnetic property , abundant raw material and reasonable prices , ndfeb magnet can be used as an ideal magnet in mini - motor , permanent magnetic resonance , sound device magnetic suspension system , magnetic transmission machine and iatrical apparatus and etc . for ndfeb , its surface is usually treatd with some special methods . the surface treatment method include zine , nickel , tin , silver , gold plating , phosphor and spray epoxy resin etc 钕铁硼永磁体以其优异的性能、丰富的原料、合理的价格正得以迅猛的发展和广泛的应用。其主要应用在微特电机、永磁仪表、电子工业、汽车工业、石油化工、核磁共振装置、音响器材、磁悬浮系统、磁性传动机构和磁疗设备等方面。
