空间等参数单元
spatial isoparametric finite element
空间轨迹单元法
space trajectory and unit method
空间矩形块体单元
space rectangular brick element
空间三结点梁单元
spatial three-node beam element
空间有限单元法
three dimension finite element method
空间组合梁单元
spatial combined beam element
超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
超单元组合—超单元—单元划分
divition of “super unit combine—super unit—unit