此外，适当的MDD工具支持提供了来自不同层次的模型的工件和模型元素之间的纵向集成和可溯性。
In addition, appropriate MDD tool support could provide much better vertical integration and traceability between artifacts and model elements from different level models.
可以使用HP IT Management Portfolio等工具统一各个层次的安全性以实现完全的可视性。
Tools like HP IT Management Portfolio can be used to unify the security layers for complete visibility.
技术因素在层次上包含两个方面，首先是生产工具的先进水平，或者说是精确性和自动化程度，其次是生产流程和工艺水平，也就是生产方式的先进程度。
The technology issue includes two aspects, which are the production tools as in accuracy and automation, and the procedure which stands for the method of production.
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