求翻译：中华人民共和国海关是国家的进出境监督管理机关，实行垂直管理体制，在组织机构上分为3个层次：第一层次是海关总署；第二层次是广东分署，天津、上海2个特派员办事处，41个直属海关和 2所海关学校；第三层次是各直属海关下辖的562个隶属海关机构。此外，在布鲁塞尔、莫斯科、华盛顿以及香港等地设有派驻机构。中国海关现有关员（含海关缉私警察）48000余人。是什么意思？

Customs of the People's Republic of China is the country's entry and exit of the supervision and administration authority, the implementation of vertical management system, the organization is divided into three levels: first level is the General Administration of Customs; the second level of the Gu

Customs of the People's Republic is entering and exiting the State supervisory authority, the vertical management system, in the Organization, is divided into 3 levels: the first level of the hierarchy is the Customs Department; level 2 is the Guangdong, Tianjin, Shanghai, 2 41 Commissioner Office o

People's Republic of China Customs are the national lists of regulatory authorities, implementation of vertical management system, organizations are divided into 3 levels: the first level is the Customs General Administration; the second level is the Guangdong Branch, Office of the Commissioner of t