查询词典 alternating function

In this paper, some alternating-direction methods for some kinds of hyperbolic equations are proposed.

本文作者在袁益让教授的精心指导下，就双曲型方程的几类数学模型问题利用有限元方法的技巧，构造了具有良好计算效果的交替方向有限元格式，对其作了理论上的分析，并首次给出算例说明了方法的有效性。

Solving Parabolic Equations PR alternating direction implicit difference scheme of matlab program.

详细说明：求解抛物型方程的交替隐方向P-R差分格式的matlab程序实现。

In the alternating of gain and loss, universe obtains the vitality and impulsion to balance its development.

而在得与失之中，大自然便得到了平衡发展的生气与原动力。

By combining electromagnetic theory with condensed state physics, we studied the electric skin effect , which consists of the distribution of conductor s induced charge on the surface of the conductor under the state of electrostatic equilibrium, the skin effects of the alternating current and super current.

用电磁学理论结合凝聚态物理学理论研究了电趋肤效应问题，它包括处于静电平衡状态下的导体上的感应电荷分布在导体的外表面上、交流电流的趋肤效应和超导电流的趋肤效应。

By combining electromagnetic theory with condensed state physics, we studied the electric skin effect, which consists of the distribution of conductor's induced charge on the surface of the conductor under the state of electrostatic equilibrium, the skin effects of the alternating current and super current.

电趋肤效应包括处于静电平衡状态的导体上感应电荷在导体外表面上的分布，交流电流在导体外表面层中的分布和超导电流在穿透层(处于超导态的载流超导体的外表面)中的分布。

Related to a wireline log of formation resistivity based on the principle of inducing alternating current loops in the formation and measuring the resultant signal in a receiver.

基于在地层中的感应交变电流环而测量接收器所接收信号的一种电缆式地层电导率测井，感应和这种测井有关。

One of these testing methods, eddy current, has been widely used for metal thickness measuring because of its good sensitivity, high test speed , non-contact and other advantage. The principle of eddy current testing is that, when the test coil is close to the metal conductor with alternating current, the eddy current would be inducing in the conductor, and correspongdingly, the eddy current would affect the original magnetic field, the result is the coils impedance and inducing voltage changed.

其中涡流无损检测技术具有灵敏度高、检测速度快、非接触等特点而广泛应用于金属厚度检测，它的原理是当载有交变电流的检测线圈靠近金属导体时在导体中产生涡流，该涡流又影响原磁场，使得线圈的阻抗和感应电压发生变化，通过分析阻抗或感应电压的变化来获得被测导体的信息。

Based on matrix analysis of motor and general theory of alternating current machines,3-phases induction synchronous motor is substituted for symmetrical 2-phases motor with even gas,then the equation for instantaneous torque of induction synchronous motor step motion is obtained.

文中采用了电机的矩阵分析方法，根据交流电机统一理论，将三相感应式同步电机用等效的具有均匀气隙的两相电机来代替，得出了感应式同步电机步进运动的瞬时转矩表达式。

The article tries to demonstrate from the social culture psychology background of the humanitarianism theme in China literature since the 20th century, to reveal it's unique flow tendency: the alternating upward and downward movement; the form of revealableness and insidiousness.

本文从考察二十世纪中国文学发展中人道主义主题的社会文化心理背景展开论述，揭示其独特的走势特点：时起时伏的流变历程，显隐交织的形态方式。

Load spectrum determination of tubing inwall proves the tubing is acted by the axial alternating load in a rod pumped well, and all the fractures are located at the root of the tooth.

油管内壁载荷谱测定进一步明确了油管在工作状态下承受轴向拉-拉交变载荷，其断裂部位全部在应力集中的齿根处。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样