图1显示了循环中的各个基本步骤以及它们之间的关系。

Figure 1 shows the basic steps in the loop and how they are related.

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在这一过程中将系统循环图作为工具，提炼描述了关键链的基本原理并形象地揭示了该方法对传统方法改善的系统结构。

In this process we will use causal loop diagrams as a tool to describe the Critical Chain's essential principle and exhibit what the Critical Chain improved compared with traditional method visually.

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