求翻译：结合工程实例介绍了桩锚等多种支护结构在复杂环境条件下的深基坑支护中的应用，并根据基坑周边建筑对变形控制要求的不同对支护设计参数进行优化,在确保支护结构及基坑周边环境安全的前提下，使支护设计方案更加经济合理。是什么意思？

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Combined with examples of the pile anchor and more support, in a complex environment structure under the condition of Deep Pit support, applications, and in accordance with the surrounding buildings of the pit deformation of the different control requirements for the support, design parameters for o

The union project example introduced the stake anchor and so on many kinds of supports and protections structure under in the complex environmental condition deep hole excavated for building foundation supports and protections application, and differently to supports and protects the design variable

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