A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.
抛物面一种有与单坐标轴平行的抛物截面和与该轴垂直的椭圆截面的平面。
Based on the method of Dyadic Greens functions, the radiation patterns of the microstrip antennas printed on the surface of elliptic cylinder are analysised and calculated in this paper.
文中采用并矢格林函数方法，分析和计算了椭圆柱面上微带天线的辐射特性，并讨论了辐射特性随离心率的变化规律。
A simple formula for calculating pure shear strength of concrete is derived on the basis of the verified mathematical model of concrete failure surface, the elliptic paraboloid.
本文根据已论证过的混凝土破坏面，即椭圆抛物面的数学模型，报导出一个用以计算混凝土纯剪强度的简单公式。
For the elliptic cylindrical surface which is the trunk of the blade, the geodesic and non-geodesic differential equations are deduced.
并针对叶片主干部分的椭圆柱面，分别推导其测地线和非测地线的微分方程序。
The complex surfaces on a sculpture was fitted with elliptic curves in sets based on the surface nodal points and the elliptic fitting algorithm was presented.
基于复杂型面的型值点，采用椭圆曲线法则，提出椭圆拟合算法，利用该算法来拟合石雕型面，得出雕像的椭圆曲线集合。
The result shows that the infiltrated surface is an elliptic-parabolic one, and the conclusion accords with the results of experiment.
结果表明：浸润面为一椭圆抛物面，所得结论与实验结果相符。
An elliptic paraboloid is proposed as the failure surface for concrete under multiaxial Stresses.
本文用椭圆抛物面作为混凝土三向应力时的强度破坏面。
The SIF and its correction factor of the transverse surface semi-elliptic crack of a photoelastic axle are tested and studied with the method of three dimensional photo-elastics.
通过三维光弹实验测定了轴表面横向半椭圆裂纹的应力强度因子（SIF），并计算了与光弹轴裂纹几何及当地应力相对应的无限大体的SIF，从而求得SIF修正系数。
The SIF and its correction factor of the transverse surface semi-elliptic crack of a photoelastic axle are tested and studied with the method of three dimensional photo-elastics.
通过三维光弹实验测定了轴表面横向半椭圆裂纹的应力强度因子（SIF），并计算了与光弹轴裂纹几何及当地应力相对应的无限大体的SIF，从而求得SIF修正系数。
应用推荐