本文研究了圆形平面的鸟巢形网架，分析了结构构形，它可由统一的一类平面桁架系组成。
In this paper a circular bird-nest-patterned grid structure consists of some identical plane trusses is first investigated in the aspects of form and load behavior.
白栅栏圈围绕这桌子球部环绕一周，远处用小沙漏形的鸟巢来装饰。
A white picket fence circles the bulb of the table, and tiny hourglass shaped bird houses decorate the distance.
白栅栏圈围绕这桌子球部环绕一周，远处用小沙漏形的鸟巢来装饰。
A white picket fence circles the bulb of the table, and tiny hourglass shaped bird houses decorate the distance.
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