求翻译：（1）物流中心是从国民经济系统要求出发，所建立的以城市为依托、开放型的物品储存、运输、包装、装卸等综合性的物流业务基础设施。这种物流中心通常由集团化组织经营，一般称之为社会物流中心。是什么意思？

(1) logistics center is starting from the requirements of national economic system, established by the city as the basis, open storage of goods, transportation, packaging, handling and other comprehensive logistics infrastructure. This logistics center is usually organized by a group of business, co

( 1) Logistics Center is proceeding in the national economy, with the development of a system requirements for the urban-based, open-type goods storage, transportation, packing, handling, and integrated logistics business infrastructure. This logistics centers are usually operated by a group of orga

(1) physical distribution center is requests from the national economy system to embark, establishes as depends on, open-type goods storage, transportation, packing, loading and unloading and so on comprehensive the take the city physical distribution service infrastructures.This kind of physical di

(1) logistic centre is proceeding from the national economic system, established by articles backed by city, open storage, transport, packaging, loading and unloading of comprehensive logistics infrastructure. This Logistics Center is usually organized by the group operation, generally called social

(1)The logistics centre demands to set out from the national economy system, articles taking city as backing, style of opening set up are stored, transported, packed, loaded and unloaded,etc. the comprehensive logistics business infrastructure. These kind of logistics centre is organized by grouping