needs forecast meaning in English

采购需求的预测管理

To evaluate a bridge , we need not only identify structure parameters by real - time monitoring , analyzing and evaluating actual macroscopical behaviors , but also we need forecast and evaluation structure by means of diversifications of structure parameters relative to environments condition and diversifications of structure parameters during produce and development of structure component ' s crack , damage , corrosion
桥梁的评估不仅要通过实时监控识别结构参数，对桥梁现行宏观工况进行分析、评价，还需要借助结构参数在外界条件变化以及由于结构构件中裂纹、损伤、腐变的产生、发展时结构参数的变化情况对结构进行预测、评估。
Under the condition of having the project , we need forecast the flow direction and quantity of the supply of goods in the hinterland after project begin to run . under the condition of having no project , we need forecast the flow direction and quantity of the supply of goods in the hinterland in the same period
有项目情况的确定就是对新建项目建成投产以后腹地生成货源的流量流向情况进行预测；无项目情况的确定则是在不建设该项目情况下，对同期内货源的流量流向情况进行预测。