本文利用模糊数学和灰色系统理论，对建筑工程造价估测系统进行了研究，并在此基础上，研制成实用软件。
In this paper, the cost estimate system of constructional engineering has been studied based on the theory of Fuzzy Mathematics and Grey system, and a practical computer software has been worked out.
以承包商现金流预测为基础，分析了与工程项目现金流预测相关的各种因素，提出了适用于承包商和项目业主的现金流预测数学模型。
The factors related to contractor cash flow forecasting are analyzed and a cash flow forecasting model is presented which is suitable for both contractors and owners.
又因为对于它的研究要涉及到较多的近代数学知识，因而成为工程科学和基础科学共同关心的课题。
Because it relates to the morden mathematical knowledge, it is concerned by the engineering science and foundation science.
根据本文研究的目的和意义，建立了以系统工程、水价的基本定价理论和投入产出分析为基础的水价系统仿真数学模型。
Based on this paper's objective and meaning, the water price system simulation model that is based on the system engineering, water price theory, input-output analysis is presented.
在数学定义的基础上，进一步建立了BIT综合表示的框图模型和表格模型，这两种模型可以直接用于工程分析。
A block diagram model and a table model for the BIT integrated expression are also proposed based on the mathematical definitions, and these two models can be directly used in engineering analysis.
工程学专业设计自己的项目，建立了广泛的数学和科学知识基础。
Engineering science majors design their own programs, building a broad base of knowledge in math and science.
物理学、化学、数学，以及这些学科扩展出的物质科学、固体物理、流体力学、热力学和系统分析等等学科是工程学的重要基础。
Engineering is based principally on physics, chemistry, and mathematics and their extensions into materials science, soild and fluid mechanics, thermodynamics, and systems analysis.
在建立异步电动机和变频器数学模型的基础上，按照工程设计法设计出PI调节器，并进行了双闭环控制实验。
On the base of ma thematic model of induction motor and inverter, engineering designing method is used to design the PI regulator, and experiments on the double-closed-loops system is carried out.
在特别例子中这样的一门课程不能被教工程师，许多介绍的事情形成应用的工程力学的数学和机械基础。
In the particular case where such a course cannot be taught to engineers, a lot of introduced matters constitute the mathematical and mechanical bases of applied engineering mechanics.
在特别例子中这样的一门课程不能被教工程师，许多介绍的事情形成应用的工程力学的数学和机械基础。
In the particular case where such a course cannot be taught to engineers, a lot of introduced matters constitute the mathematical and mechanical bases of applied engineering mechanics.
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