The actual NIEM-generated and imported sub-schema files are not actually used in the constraint to XForms transformation process.
在约束到X Forms的转换过程中，实际上并不使用NIEM生成和导入的子模式文件。
Transformation rules at the attribute level, documented using Object Constraint Language (OCL).
属性级的转换规则，用目标约束语言（Object Constraint language，OCL）编制而成。
The equivalent transformation approach is put forward for the probability constraint.
提出了概率约束的确定性等价转换方法。
Object constraint language (OCL) is the sub-standard of UML, which can be used not only in constraint and query on models, but also in defining transformation rules and modeling language.
对象约束语言(ocl)被定义为uml标准的子标准，不仅可用于模型约束、查询，还可以用于定义模型转换规则和定义建模语言。
It considered not only lossless transformation of database structure, but also data constraint storage.
解决了只注意数据结构的无损转换，而忽略数据约束的保存问题。
For boxing constraint of control, trigonometric function transformation was developed to achieve an unconstrained problem.
对于控制变量受箱型约束的问题，采用三角函数转换将其转化为控制无约束问题。
This constraint limits the applications for load-time transformation.
这一约束限制了申请载荷-时间转型。
The full transformation method deals with each boundary constraint node, and for stiff matrices and displacement vector, using operator transformation, relative operator calculation is performed.
全变换方法用于处理每一边界约束点，对刚度矩阵和位移矢量作相应的算子运算。
By using the topology constraint to filter the sample sets, the proposed algorithm calculates the transformation between images based on the sample set which fully satisfies the topology constraints.
该算法对随机采样集进行拓扑过滤，只对满足拓扑约束的采样集进行计算。
By using the topology constraint to filter the sample sets, the proposed algorithm calculates the transformation between images based on the sample set which fully satisfies the topology constraints.
该算法对随机采样集进行拓扑过滤，只对满足拓扑约束的采样集进行计算。
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