In the List Entries box, enter the names of the shapes: Circle, Triangle, Square and Pentagon.
在列表框入口中，输入形状的名称：圆形，三角形，方形和五角形。
Compared with the triangle method, the new way has the traits of visualizing, intuition, easy understanding, swift and nicety to determine the power currents and its direction of the planet gear box.
与三角形分析法比较，该方法具有形象、直观、易于理解的特点，能够迅速、准确地确定行星变速箱的功率流大小及流向。
Based on the model test and analysis of 3D limited units, this paper studies the internal force of lengthways stiffened bridge deck slab of double-triangle side box girder.
论文通过模型试验和空间有限元分析对具有双三角边箱主梁的纵向加劲桥面板的内力情况进行研究。
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