The cross-sectional dimension and taper are the most important data in the design of the mould.

结晶器是连铸机中一个非常关键的设备，结晶器的断面尺寸和锥度是结晶器设计中最重要的参数。

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Lumber is grouped into different categories such as: dimension lumber, boards, and timbers based on the following cross-sectional dimensions.

锯材分为不同的类别，如：基于以下断面尺寸有规格材、板材和方木。

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In order to avoid a singular solution, we keep the dimension of the truss for a given topology unchanged by giving the truss member to be removed a tiny cross-sectional area.

为了避免结果奇异，在优化过程中，给被删去的构件一个微小的截面积，使一个给定的拓扑组的结构维数保持不变。

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In order to avoid a singular solution, we keep the dimension of the truss for a given topology unchanged by giving the truss member to be removed a tiny cross-sectional area.

为了避免结果奇异，在优化过程中，给被删去的构件一个微小的截面积，使一个给定的拓扑组的结构维数保持不变。

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