通过定义离散化方案之间的偏序关系以及交、并运算，将各种离散化方案组织成离散格。
All discretization schemes are organized into a lattice named discretization lattice after partial order relation, then the meet and join operations between discretization schemes are defined.
首先讨论了格的子集生成幻和生成对偶幻的运算性质。
This paper discusses the operational properties of generated ideals and generated dual ideals.
特别是确定了交换的可消幺半群的半格的好同余格上的交与并运算。
Furthermore, the meet and the join for the good congruence lattice are determined for the semilattice of commutative cancellative monoids.
结果表明，使用拉格朗日插值方式能大大提高运算效率，在低有限元个数的情况下很快收敛。
The results show that when the Lagrange interpolation is used the efficiency of calculation is elevated significantly. And the calculation converges quickly at low finite element number.
单元格立即显示修改后运算的结果。
按回车键，公式将运算出来，结果会出现在单元格中。
Press Enter. The formula will be calculated, and the value will be displayed in the cell.
该报表工具能够设计出多源分片、不规则分组、动态格间运算和行列对称等特征的复杂报表。
The report tool can design reports with multiple sections using multiple data sources, irregular grouping, dynamic calculations between cells, as well as row and column symmetry.
该报表工具能够设计出多源分片、不规则分组、动态格间运算和行列对称等特征的复杂报表。
The report tool can design reports with multiple sections using multiple data sources, irregular grouping, dynamic calculations between cells, as well as row and column symmetry.
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