坐标轴非等值变化通过多层焦点的交互控制实现，可以充分利用坐标轴空间，在观察重点区域详细信息的同时保持总体浏览。

The axis is not changed equivalently, through managing multiple focal levels, can fully utilize axis space, keeping overall information while observing detailed information of key area.

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分布式多层架构是目前企业构建大型应用系统所首选的结构，开发分布式多层架构的焦点集中在中间层。

The distributive multi-layer architecture is now considered an optimum choice by companies structuring large-scale systems and its development focuses on the middle layer.

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