A manufacturing company is implementing a project to produce a new product using new technology and processes. Details of the component work packages have been defined and constraints for each component have been identified. Management would like to obtain a precise cost estimate of the project.What estimating technique should the project manager use? 一家制作公司正在实施一个利用新技术和新工艺生产新产品的项目。已经确定组建工作包的详细信息，并识别到每个组件的制约因素。管理层希望获得该项目的精确成本估算。项目经理应该使用什么估算技术？ ◑A.Analogous类比估算 ◑B.Three-point三点估算法 ◑C.Bottom-up自下而上估算 ◑D.Parametric参数估算
