Change the element's angle of rotation by adjusting the plotline in the Function Editor. 使用功能编辑器旋转一个定位钉。
The structural type and design scheme for a building project should be based on its serviceable function and force conditions. 摘要建筑工程设计时，需要根据建筑的使用功能和建筑结构的受力特征，确定结构形式及设计方案。
