市场经济要求生产经营者密切注视市场的价格波动 ,及时调整产品的结构 ,使生产的产品适合市场的需要 ,并有利可图。而当前丝织原料的价格波动却使丝织厂的经营者无所适从 ,难以组织生产。以 2 0 / 2 2Ｄ 3Ａ级桑蚕丝为例 ,有关权威部门 1999年 11月12日预测的价格为 :1999年 11 The market economy requires producers and operators to closely monitor the price fluctuations of the market and adjust the product structure in a timely manner so that the products produced are suitable for the needs of the market and are profitable. However, the current price fluctuations in silk weaving materials have made the operators of silk weaving mills indifferent and difficult to organize production. Take the 2 0 / 2 2D 3A grade mulberry silk as an example, the relevant authoritative department predicted the price on November 12, 1999: 1999 11