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- differential geometric theory 微分几何理论
- The decoupling problem for a class of nonlinear MIMO time-delay systems is studied with differential geometric method. 摘要利用微分几何方法研究了一类非线性多输人多输出时滞系统的解耦问题。
- General relativity or the general theory of relativity is the geometric theory of gravitation published by Albert Einstein in 1915. 广义相对论或广义相对论是爱因斯坦1915年发表的引力几何理论。
- Kaluza and Klein noticed that Einstein's geometric theory of gravity might provide this connection if an additional spatial dimension existed, making spacetime five-dimensional. 卡鲁扎和克莱恩注意到,如果有一个额外的空间维度存在,则时空变成五个维度,那麽爱因斯坦关于重力的几何理论便能提供这种关联。
- Einstein did not, but his brilliant intuition led him to study and adopt the obscure non-Euclidean geometry of Riemann and Gauss for his geometric theory of gravity. 爱因斯坦有超卓的直觉,他跟著直觉进行研究,采用当时很少人懂的非欧几何,发展重力的几何理论。
- Taking physical optics method and geometric theory of diffraction,this article discusses the affection of finite dimension deflector plate to antenna array directional diagram. 关键词:天线阵,方向图,物理光学法,几何绕射理论|全部关键词
- On the basis of the differential geometry, the geometrical theory of machining free form surface by cylindrical cutter in 5-axis NC machine tool is investigated. 从微分几何学的角度,探讨了在五坐标数控机床上采用圆柱形刀具线接触加工自由曲面的几何学原理,分析了刀具面与被加工曲面二阶密切的条件。
- In this paper, the geometric theory and operating principle of synchronal rotary compressor for domestic air conditioner are studied in detail.The calculation formulas of working volume are deduced. 本文详细推导了同步回转式压缩机的工作容积的计算公式,全面分析了影响同步回转式压缩机的热力性能及其内部工作过程的各种因素。
- Lefschetz S., Differential equations: geometric theory, New York, 1957, 38-43 涅梅慈基,四十年来的苏联数学--常微分方程,科学出版,北京1960,24
- geometric theory of linear systems 线性系统几何理论
- Geometric Theory for a Synchronal Rotary Compressor 同步回转式压缩机的几何理论
- Geometric Theory of Singular Perturbations 奇异摄动的几何理论
- GTD(Geometric Theory of Diffraction) model 几何绕射模型
- Geometric Theory of Diffraction(GTD) model GTD模型
- geometric theory of diffraction (GTD) 几何绕射
- The causticals phenomena of electromagnetic wave propagation in concave reflector antennas are studied by Symplectic Geometrical Theory. 摘要采用辛几何方法分析凹形反射面上电磁波传播的焦散现象。
- He tried in every way to verify this theory. 他想一切办法来验证这个理论。
- Not situated at or in the geometric center. 离心的不位于或在几何中心的
- I entirely approve of that theory. 我完全赞成那种理论。
- Einstein put forward his new theory of relativity. 爱因斯坦提出了相对论的新学说。