在“模型驱动的体系架构”方面，OMG提供了一个概念性的框架和一系列表示模型、模型关系和模型到模型转换的标准。
In what it calls "model driven architecture," the OMG has provided a conceptual framework and a set of standards to express models, model relationships, and model-to-model transformations.
样机系列表明，其精度和性能基本达到和部分指标超过（国家）部颁一级精度的标准。
The prototype series shows that its accuracy and performance have basically reached or exceeded the grade one standards issued by the Ministry of Machinery.
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