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欠发达地区主要是中西部农业大区，出口能力普遍较弱，外贸出口总量占国内生产总值的比重小。影响欠发达地区外贸出口的制约因素主要有以下几个方面： １．经济状况。由于欠发达地区农业基础设施相对落后，高效农业少，工业档次低，普遍不景气，产业结构调整难度大，缺少拳头产
The underdeveloped areas are mainly the central and western agricultural areas with generally weak export capacity and the small share of total exports in the total GDP. Restrictions affecting the export of underdeveloped areas are mainly the following aspects: 1. economic status. Due to the relative underdevelopment of agricultural infrastructure in underdeveloped areas, the lack of efficient agriculture, the low grade of industry and the general downturn, the difficulty in adjusting industrial structure and the lack of fist-producing