2) effective medium
等效介质
1.
The theory study of a plane-wave expansion method based on the effective medium technique in the two-dimensional photonic crystal;
基于等效介质二维光子晶体平面波展开法的理论研究
3) equivalent medium
等效介质
1.
According to seismic coherent body,this paper predicts distribution of fractures,uses equivalent medium theory,and establishes geologic model.
根据地震相干体,预测出裂缝的分布,引入等效介质理论,建立了地质模型。
2.
At present, most equivalent medium models are established in low-frequen.
目前大多数等效介质模型都是在低频范围内建立的,得到的等效材料参数是随频率变化的,在频率极低时则视为常数。
4) equivalent mass
等效质量
1.
Models of equivalent force and equivalent mass about planar linkage
平面连杆机构等效力和等效质量数学模型
2.
By the decomposition of the heat transfer behavior and the calculation of the equivalent mass, this paper presents the dynamic nodal model of the Bimorph thermal actuator and uses the commonly used circuit simulation software, SPICE as the simulation platform of the model.
本文在已有静态模型的基础上,通过对传热行为的分解以及引入等效质量,建立了Bimorph结构热执行器的动态节点模型。
3.
This paper carries out elementary research on equivalent mass of non-ideal spring and reaches some important results: non-ideal spring, mef = m/3; non-ideal and non-linear spring, mef = m/3 ~ m/2; serial spring, mef = α2m1 + (α2 +α + 1)m2 / 3.
对非理想弹簧的等效质量展开了初步研究并得出一些重要结果 :非理想弹簧的mef =m3;非理想、非线性弹簧的mef =m3～ m2 ;串联弹簧的mef =α2 m1+(α2 +α +1)m23。
6) effective media
等效介质
1.
For thick VTI coal bed,calculated its stiffness matrix by effective media\'s theory at first;and then,computed the P-wave AVO curve of this coal by propagation matrix method which based on anisotropy theory.
对于厚层的VTI型构造煤,首先利用等效介质理论求出其刚度矩阵,再利用基于各向异性理论的传播矩阵法求解出其P波AVO曲线。
补充资料：比等效百万吨数