support study(指工业投资项目可行性研究中的功能性研究 (function study),包括:规模经济研究 (economics of scale studies)、 设备选择研究 (equipment selection studies)、实验与试产研究 (laboratory and pilot plant tests studies)、建厂厂址研究 (location studies)、产品市场研究 (market of products to be produced studies)、原材料与投入物研究 (raw material and input studies))