The mortise and tenon joint of the structure is replaced by a special beam-elementgroup in the finite element model.
引入梁单元组模拟斗拱连接，从而建立了具有木塔较细致结构的有限元计算模型。
2
Another transition metal Zirconium (Zr), which belongs to the same periodic elementgroup as ti, is also an attractive material.
在周期表中与钛属于同一周期的另一过渡元素锆，亦是一引人注目的材料。
3
The integrating explaining of region geochemistry data is accomplished by using some statistics method through researching geochemical elementgroup in our area and picking up the geochemical anomaly.