call circular meaning in English

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These loops are called circular connections
这些循环称为循环连接。
In the article , the author states the present situation in deep excavation and analyses the form of earth force , water force , model of calculation and deformation caused by excavating . in details , the author introduces a new technique , which is called circular beams bracing system in deep excavation , states the steps of calculation , construction and inspect
本文系统的阐述了目前深基坑支护的状况，对基坑支护中的土压力、水压力、基坑开挖对地面沉降的影响以及目前常用的计算方法作了详细介绍；着重对新型环梁支护体系的计算、监测方法和施工工艺进行了探讨。