依靠学习曲线建立的成本优势是极其脆弱、难以持久的。学习曲线(learning curve)又称熟练曲线,是一种动态的生产函数,其最早产生于飞机制造业。它表示在产品的生产过程中,随着累积产量的增加,产品单位工时会逐 The cost advantage of relying on learning curves is extremely fragile and unsustainable. Learning curve (learning curve), also known as proficiency curve, is a dynamic production function, which first came from the aircraft manufacturing industry. It shows that in the production process of the product, as the cumulative output increases, the product unit will work on a man-hour