查询词典 degenerate

When applied to image the subsalt dipping faults in the SEG/EAGE salt model and fault blocks/zones in real datasets, the seismic migration by degenerate migrators gives well positioned images for faultrelated complex geological structures.

通过SEG/EAGE盐丘模型和实际地震资料的应用表明，退化Fourier偏移算子能很好地对盐下的陡倾角断层和实际地震剖面上的复杂小断块和大断裂地质构造成像。

In which the second order degenerate equations associated with square sum operators of Hormander vector fields are the most important classes. People are used to calling them subelliptic operators because they have properties similar to that of classical Laplacian.

由于该算子具有与经典Laplace算子类似的次椭圆性质，人们习惯上把由向量场构成的二阶线性及非线性算子通称为次椭圆算子，相应的方程称为次椭圆方程。

Furthermore, the free spectra region increases to more than 100nm. The mode coupling between two degenerate modes with inverse symmetry properties in the deformed SR is found to be the reason of the traveling-wave filtering response.

与边长为1.91μ m 的单个理想正方形腔滤波器比较，变形正方形腔滤波器的开关比和分光比分别获得14dB 和15dB 的提高。

Anaerobic synecology of the hydrogen-producing fermentation system was investigated under certain test condition in this thesis. In the continuous flow system of anaerobic hydrogen-producing fermentation, the succession of hydrogen-producing acidogenic microbiology may be regressive process. By regressive process we means that the original community getting from nature which structure being complex with a high ability would degenerate gently to a certain climax community which structure being simple with less ability.

产氢发酵系统的微生物群落生态学研究证明，在连续流发酵产氢反应系统中产氢产酸发酵细菌群落的演替过程，是在人为控制的生境条件下，微生物从自然群落这种稳定性大、组成及生化反应过程复杂的生态群落，向稳定性小、组成和生化反应过程相对简单的某一产酸发酵顶极群落进行的"逆行演替"。

Therefore, topology of second-order tensor field around a degenerate point is determined and theoritic foundation of visualization of the second-order tensor field is built.

从而，定性地确定了简单"退化点"附近特征向量轨迹的拓扑结构。为进一步进行二阶张量场的可视化奠定了理论基础。

Numerical results show that the figure of far-field light distribution, the light intensity of peak value, and the power of the central region degenerate or trail off in varying degrees.

结果表明远场光强分布的图形、峰值光强度和中心区域内的功率，受到各因素的影响，都会不同程度的变差或减弱。

The non-degenerate of the Markov integrated semigroup is proved according to the definition of transition probability functions.

从转移概率函数的定义出发，证明了Markov积分算子半群是非退化的。

In the thesis, we mainly studied theoretically and experimentally the nonlinear transmission properties, photo-induced grating, degenerate multi-wave mixing in bR film and their applications.

本论文从理论和实验两方面深入地研究了bR膜中的非线性透射特性、光致光栅、简并多波耦合及其应用等问题。

In this paper,we give a sufficient and necessary condition for the level surface s with respect to non-degenerate quadratic functions by the usage of the Hessian metric and of a transversal vector field.

本文利用Hessian度量和横截向量场，给出了非退化二次函数的水平曲面的一个充要条件。

For some ten days ,my heart suddenly perceived that its person was unapt to degenerate yet .

有这么十余天来，我心中忽觉到了自己的不至腐堕。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。