有限单元应力分析
Finite element stress analysis
单元初始应力法
unit initial stress method
多单元构件预加应力
multielement prestressing
预应力锚索单元
prestressed anchorage cable element
预制预应力混凝土单元
precast prestressed concrete unit
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
35高炮火力单元
35mm twin anti-aircraft artillery fire unit
带寄生单元单极子天线
monopole antenna with parasitic elements
单轴受压应力－应变行为
uniaxial compressive stress-strain behavior