Originating from the process of producing and exchanging goods , economic forecasting is initiated to meet demands of formulating domestic economic policies and managing business and enterprises 经济预测是在商品生产和商品交换的过程中产生的，是应国家制定经济政策和工商企业进行经营管理决策的之需而发展起来的。
It ' s difficult therefore to make an economic forecasting , even an economic index . it should be the direction of economic forecasting research that to synthesize the forecasting methods actively 因此，做经济预测，甚至预测某个经济指标，试图用一个模型来描述其变化规律，或用一种算法来计算出较好的预测值，都是十分困难的。
The bible does not tell us how the roman census takers made out , and as regards our more immediate concern , the reliability of present day economic forecasting , there are considerable difference of opinion 圣经没有告诉我们罗马的数据统计者们怎样达到我们今天的经济预测的可靠性的，我们进一步思考的话，其中的意见上有很大的不同。
These economic forecasts , with their inbuilt promise of prolific financial returns , spawned a massive public and private sector investment in and roll - out of digital multi - channel networks and data delivery systems 这些经济预测以其内在的对高利润回报的信心，促使公众和私人机构大量投入资金，用以铺设数码多频道网络和数据传送系统。
A leak of the fund ' s economic forecasts , published in the ft last week , showed it now expects global economic growth of 5 . 1 per cent in 2006 , compared with its previous forecast of 4 . 8 per cent in april 国际货币基金组织透露了对经济所作的部分预测( 《金融时报》上周发表了这些内容) ，它们显示，该组织预计2006年全球经济增长为5 . 1 % ，而相比之下，该组织于今年4月所作的上一次预测为4 . 8 % 。
Through studying on the economic forecast and uncertain factor , combining with the data at the moment and the circumstances in the future , the type , repairing frequency and repairing grade of the naval vessels that will be repaired in the dock are forecasted 第二章是进出船坞维修舰船的预测，结合项目经济评价中预测和不确定因素的研究，分析现有数据和未来情况，预测出维修舰船的船型、维修频密度和维修等级。
