在我国第八个五年规划期间，山东蔬菜出口呈快速发展趋势，年出口数量及换汇额平均每年递增５０％；第九个五年规划期间，出口数量开始减慢，年递增率平均仅为１５％。仅就数量来讲，这仍是一个正常发展速度，因为任何商品的发展都有一个飞速发展的跳跃式阶段以及相对平缓持续 During the eighth five-year plan of our country, the export of vegetables in Shandong Province showed a rapid development trend. The annual export volume and exchange value increased by 50% each year on average. During the ninth five-year plan period, the export volume began to slow down with an average annual increment rate of only 15%. This is still a normal rate of growth only in terms of quantity, as the development of any commodity has a rapidly developing leapfrog stage and a relatively gentle continuation