The related key technologies are solved , such as the roller coaster force model, the track modeling method, the load and boundary determination.
解决了基于ANSYS软件的原子滑车轨道的强度分析的关键问题，如高速滑车的受力模型，轨道的建模方法、载荷和边界条件的确定。
This paper discusses the problem of gravity field determination by application of such a new gravity boundary condition as the disturbing gravity by use of GPS.
讨论了应用GPS测量重力点的大地高，从而获得地面点的扰动重力（或称纯重力异常）值这样新的重力边值条件，如何从理论与实际上确定重力场的问题。
Based on the determination of optimizing parameters and boundary equations, the cropland using structure in Fujian Province was optimized by the model of linear programming.
在确定优化参数和约束方程的基础上，借助线性规划模型进行福建省耕地利用结构优化。
The results shows that the corrosion is an ideal austenite crystal boundary corrosion for pipe line steel. The accuracy of adopted determination method is high.
结果表明，此浸蚀剂是管线钢一种理想的奥氏体晶界浸蚀剂，所采用的测定方法的精确度较高。
Using the length-determination method, an analytical solution of the relation between natural frequencies and shell lengths with arbitrary boundary conditions is obtained.
利用长度待定法，得到壳体在任意边界条件下固有频率与壳长关系的精确解。
Using the length-determination method, an analytical solution of the relation between natural frequencies and shell lengths with arbitrary boundary conditions is obtained.
利用长度待定法，得到壳体在任意边界条件下固有频率与壳长关系的精确解。
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