The paper has proved the rationality of this method through two - unit model.
通过一两机组模型验证了该方法的合理性.
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Long stroke pumping unit ( Model 20 ~22 ) with derrick frame was developed for new production.
塔架式长冲程抽油机 ( 20~22型 ) 是配合油田采用新工艺而研制开发的.
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Derived unit model structure is clear, and reflects mechanism of system internal relevancy and external correlation.
导出的模型结构清晰, 较好的反映了系统内部关联和外部联系机制.
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The unified deployment model is divided into deployment unit model, deployment target model and constraint model.
统一部署模型主要包括部署单元模型, 部署目标模型,以及约束规则模型.
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