求翻译：本文从全过程造价控制的角度出发，对在新的计价模式下造价控制方法进行了研究，论文首先对工程量清单和工程造价的基础理论进行阐述，为提出造价控制方法奠定了理论基础。然后着重叙述在工程量清单计价模式下，在工程的投资决策阶段、设计阶段、招投标阶段、施工及竣工决算阶段的工程造价控制方法。是什么意思？

Proceed from the perspective of the whole process of cost control, cost control method under the new pricing model, the paper first described the theory on the basis of the BOQ and project cost, to propose cost control methods laid a theoretical foundation. And then focus in the investment decision-