The prediction of oil - gas operation cost is the first step of cost budget and control 摘要油气操作成本预测是成本预算与控制的首要环节。
The problem and solution of estimate at completion forecasting method in earned value analysis 挣值分析中项目完工成本预测方法的问题与出路
The reliable explanation and the less error of forecasting will be helpful in predicting the drilling cost and planning the projects in management 模型较强的解释力度和较小的预测误差，将有助于钻井成本预测和计划管理。
3 . to study the prediction methods of quality cost , to establish prediction model , to analyze the superiority , inferiority , and adaptability of every method 进行质量成本预测方法研究，建立预测模型，做工程实例的对比预测，分析各方法的优劣及适用情况。
Abstract : the design idea of ecfdss is discussed , the system structure and design of ecfdss are analyzed , and the models of this system are also described 文摘:探讨了企业成本预测决策支持系统的设计思想，对企业成本预测决策支持系统的系统结构及设计进行了分析，并描述了系统的主要模型。
A new method on cost - forecast and optimizing decision - making is built up , aiming at nonlinear problem of fire - electric power set capital construction time limit cost , based on gray system theory 针对火电机组基建工期成本的非线性问题，基于灰色系统理论，提出了一种成本预测与优化决策的新方法。
Through analysis on the study of drilling cost both at borne and abroad , the main factors influencing the drilling cost have been found to guide to build up the forecast model on the drilling cost 摘要通过对国内外钻井成本研究的分析，寻找影响钻井作业成本的主要因素，可指导钻井作业成本预测模型的建立。
4 . forecast and early warning of labor cost cost control is the most important idea in both international and domestic business administration theories while labor cost control is becoming its most important part 四、人工成本预测预警成本控制，是当今从国际到国内企业管理中最重要的理念，而人工成本控制，已成为成本控制中的重中之重。
In this thesis , we set our background in lishui bridge over shigui mountain in changsde , hunan province . through life circle cost program , the cost perdition of bridge structure in its life circle and its maintenance optimization can be demonstrated vividly 本文以湖南常德石龟山澧水大桥为工程背景,通过寿命周期成本程序,清晰地反映出桥梁结构在其预期的寿命周期中的一系列成本预测和最优化维护安排。
The method can estimate the product ' s cost without full knowledge of the manufacturing process plans in product conceptual design phase . cax integration technology with pdm platform is studied . a prototype of cax integration with pdm platform is constructed through com / dcom technology using vc + + 6 . 0 该方法克服了通常孤立地研究设计各阶段的成本预测和分析的不足，能够在产品概念设计阶段对产品成本作出预报，且精度高于传统方法。
