Think of a three-dimensional spherical black hole that's copied and stacked out in one direction to create an oblong shape.
设想一个三维的球状黑洞,把它复制和堆放在一个方向上,就会构成一个长方形的形状。
These types of detectors are often called three-dimensional (3-d) detectors.A widely spaced hole-array is desirable in that it allows lateral depletion and charge collection.
这些探测器通常被称为三维(3 - D)探测器,基于一种广泛间距孔阵列用于横向枯竭和能量采集。
These types of detectors are often called three-dimensional (3-d) detectors. A widely spaced hole-array is desirable in that it allows lateral depletion and charge collection.
这些探测器通常被称为三维(3 - D)探测器,基于一种广泛间距孔阵列用于横向枯竭和能量采集。
At the centre of a Kerr black hole, there is no point singularity, but rather a ring singularity-a spinning one-dimensional ring held open by its own momentum.
科尔黑洞中心是不是奇点而是奇环-由自身动量维持的一维环形。它有两个视界(外部视界和内部视界)以及一个椭圆形的能层(ergosphere)。
In this paper, the interlaminar stress distributions of symmetric composite laminates with a hole are predicted by the three-dimensional elastoplastic finite element method.
本文用三维弹塑性有限元法计算了含圆孔对称复合材料层板的层间应力分布。
The exit radial temperature profiles formed by four configurations of dilution hole design have been studied experimentally on a two-dimensional experimental combustor.
在二元试验燃烧室上,研究了四种掺混孔设计方案对燃烧室出口径向温度分布影响。
We propose and optimize the antireflection coating composed of a row of tapered dielectric waveguides for two-dimensional air hole-type photonic crystal negative refraction slab lens.
提出并优化了由单排渐变介质波导构成的二维空气孔型光子晶体负折射平板透镜表面的减反层,改善了成像质量。
Machining of PCB (printed circuit board) is a typical process of two dimensional multi hole.
印刷电路板pcb的加工是二维多孔数控钻的典型。
The results of SEM showed that the ceramic filtration balls had much little air hole distributed equably, which structure was three-dimensional.
陶瓷滤球的断面SEM形貌图分析表明,所研制的滤料气孔多且孔分布均匀、孔径尺寸小,其孔结构是三维连通的。
Using the Gauss-Bonnet theorem, Stephen Hawking proved that the topology of the event horizon of a (four dimensional) black hole is a 2-sphere.
使用高斯-博内定理, 史蒂芬·霍金证明一个(四维)黑洞活动视界的拓扑结构是2个球体。
Three dimensional finite element computing model is established and the effect of stemming length to deep hole bench blasting is studied by three dimensional finite element method.
采用三维有限元数值分析法,通过建立三维有限元计算模型,分析堵塞长度对堵塞区有效应力场的影响。
And then, based on experiments and combined with three-dimensional full-wave electromagnetic simulation software, the frequency domain and time domain performance of the through-hole via is analyzed.
然后基于实验研究,并结合三维全波电磁仿真软件在频域和时域对通孔结构性能进行分析。
In this paper, a comprehensive theoretical solution to the three-dimensional axial symmetric elastic problem for cylindric hole is presented and discussed.
文中给出了,圆柱孔轴对称弹性力学课题的三维理论解,及有限长圆柱孔全长壁面受轴对称应力的通解与具体例子。
Based on the features of the three-dimensional crack, an experimental method was presented to measure the near-threshold fatigue crack growth rate and threshold of the corner crack at a hole.
基于三维裂纹特征,本文提出了一种测量孔边角裂纹近门槛区疲劳裂纹扩展速率及门槛值的实验方法。
The temperature of a three dimensional nonstatic black hole is given. The compensate effect under time scale transformation in the space time is studied.
给出了三维黑洞温度,研究了该时空时间尺度变换的补偿效应。
Three-dimensional numerical study is conducted to investigate the heat transfer characteristics for the inclined multi-hole film cooling with different configurations.
对三种不同结构的多斜孔气膜冷却结构进行了数值研究。
Tube sheets of the heat exchangers are the typical multi-hole parts machined by two-dimensional digital control.
换热器管板是典型的二维数控加工多孔零件。
This system is used in measuring parts of diesel engine. Three dimensional displacement fields around the hole of the main axle are obtained.
将该技术应用到柴油发动机零部件测量上,得到了主轴承孔周的三维位移场。
This system is used in measuring parts of diesel engine. Three dimensional displacement fields around the hole of the main axle are obtained.
将该技术应用到柴油发动机零部件测量上,得到了主轴承孔周的三维位移场。
应用推荐