While designing the algorithm, we have considered the situation at large. Thus, the algorithm is feasible in solving most of the actual stock cutting problems especially in large scale.
算法设计时考虑了普遍的情况，所以算法在解决大多数实际下料问题，特别是大规模下料问题时是切实有效的。
Therefore it's of important theory and actual meanings to study the methods of solving the two problems.
因此，研究解决这两个问题的方法有重要的理论和实际意义。
Aiming at the actual problems of teaching of math education and math curriculum, the author brings forward the structural models and the curriculum theory of Problems-Solving teaching.
针对传统数学课程及教学过程存在的问题，提出了“问题解决教学”形式的数学课程理论，并构建完成了其教学结构模式。
Mostly conforming to the actual gearing and loading conditions, the model sets a basis for solving the dynamic problems of double-arc gears.
模型的建立为解决双圆弧齿轮动载荷问题提供了依据。
These calculations show the potential of overset mesh method to solve the problems such as overtaking by switching lines, and which can provide a way for solving such problems of the actual vehicles.
通过以上计算，指出了重叠网格在解决诸如变道超车等问题的潜力，为解决实际车型的变道超车等问题提出了简便实用的方法，具有一定的指导意义。
These calculations show the potential of overset mesh method to solve the problems such as overtaking by switching lines, and which can provide a way for solving such problems of the actual vehicles.
通过以上计算，指出了重叠网格在解决诸如变道超车等问题的潜力，为解决实际车型的变道超车等问题提出了简便实用的方法，具有一定的指导意义。
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