spherical geometry中文什么意思

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用"spherical geometry"造句

球面几何(学)。

spherical: adj. 球的；球面的；球形的，圆的；天体的；天空的。 ...
geometry: n. 1.几何学。 2.几何形状。 3.几何学著作。短 ...
intrinsic spherical geometry: 内部球面几何学
geometry: n. 1.几何学。 2.几何形状。 3.几何学著作。 analytical geometry解析几何。 descriptive geometry图形几何，画法几何。 Euclidean geometry欧氏几何。 non-Euclidean geometry非欧几何。 plane geometry平面几何。 solid geometry立体几何。 spherical geometry球面几何。
spherical: adj. 球的；球面的；球形的，圆的；天体的；天空的。 a spherical bush 【机械工程】球面衬。 a spherical conic section 【数学】球锥曲线。 a spherical sector 球心角体。 adv. -ly

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Thirdly , multimode - coupling phenomena in cylindrical geometry was analyzed by the simulation . the growth of every mode and its harmonic was qualitatively compared well with the solutions of mode - coupling equation . fourthly , the rt instability in cylindrical and spherical geometries was calculated during an implosion
第三，利用lared一s程序模拟柱几何中rt不稳定性的多模祸合问题，对各个模及其高次谐波的变化进行了分析，并且与模藕合方程的解定性地进行比较，结果符合得较好。
The strength of convergent shock was enhanced in cylindrical and spherical geometries than in planar geometry . the bubble became more wide and big and the spike became more narrow and long . it showed in spherical implosion that the spike close to the symmetrical axis grew faster than the ring one away from the symmetrical axis
第四，利用lared一s程序模拟柱和球几何内爆过程中rt不稳定性增长，表明收缩几何效应对内爆过程中不稳定性的增长有重要影响，柱和球几何中聚心冲击波的强度大于平面情况，气泡变得更加宽而大，而尖顶变得更加细而长。
Secondly , nonlinear threshold of two - dimensional rt instability was analyzed in planar and cylindrical and spherical geometries . density amplitude was defined relating to instable interface and formulae of nonlinear threshold values for rt instability in three geometries were given , then the lared - s code was used to simulate two - dimensional rt instability in three geometries and simulation results agreed well with the formulae
其次，讨论了二维平面、柱和球几何中rt不稳定性发生非线性偏离的阈值问题，给出了三种几何中密度扰动振幅的非线性闭值公式，并且用lared一s程序进行了检验，计算结果表明柱和球几何中的模藕合机制与平面几何不同，存在几何效应的影响。
In addition , it was the sign of the initial amplitude growth rate , not the manner of the interface motion that determined whether the amplitude could increase . at weakly nonlinear stage , mode - coupling equations were derived in cylindrical and spherical geometries . it showed that the nonlinear terms were inversely proportional to the position of the interface in cylindrical and spherical geometries
在弱非线性阶段，推导了柱和球几何中模耦合方程，结果表明：非线性作用项反比于界面的位置，界面的位置越小，非线性作用越强，反之越弱；同时柱几何中模耦合方程的解表明，在收缩几何中，扰动在界面两侧的发展是不对称的，在弱非线性阶段，不稳定性向内发展的部分受到惯性力的挤压，而向外发展的部分受到惯性力的拉伸。
At linear stage , the theoretical growth rate for the rt instability in cylindrical and spherical geometries was enhanced ( or reduced ) due to the decrease ( or increase ) in the perturbation wavelength during an implosion ( or explosion ) . even in the absence of an acceleration the perturbation could grow in the convergent geometries . the amplitude growth rate was proportional to the cube of the convergent ratio in spherical geometry and to the square of the convergent ratio in cylindrical geometry
在线性阶段，已有的研究表明：一方面，在内爆(或外爆)过程中扰动波长变短(或变长) ，使得不稳定性的增长率变大(或变小) ；另一方面，即使不存在界面加速度，界面运动仍然可能导致扰动幅度的增加，柱几何中扰动幅度的变化速率正比于界面收缩比的平方，球几何中扰动幅度的变化速率正比于界面收缩比的三次方，并且扰动幅度的变化方式(增加或减少)只与初始时刻扰动幅度的增长速率(正或负)有关，而与界面的运动方向(向内或向外)无关。