It is a circular hole with a diameter of 305 metres and 123 metres deep.
蓝洞是一个直径为305米，123米深的圆型大洞。
In the middle of the room was an open fire. Above it a large circular hole in the ceiling, through which we gazed at the stars like diamonds.
餐室中间有一处篝火，上方的屋顶上开着一个大圆孔，透过圆孔我们可以仰望钻石般闪亮的星星。
The thermal stress of the circular region with an eccentric circular hole is then derived.
求出了具有偏心圆孔的圆形平板的热应力。
The stress is analyzed in the composite material plate with circular hole by the model above.
按照所建立的数学模型对含有圆形孔的复合材料板进行应力分析。
The proposed algorithm is used to identify the material parameters of orthotropic plate with a circular hole.
然后采用本文提出的方法识别正交各向异性圆孔方板的材料参数。
The scattering energy is found to be dependent on the incident wave number and the radius of the circular hole.
并指出能量的散射与入射波波长和圆孔半径有关。
Boundary value problem of a plate with crack and defect such as circular hole is a multi-connected domain problem.
带有裂纹和缺陷孔洞的板的问题是一个多连域的边值问题，这类问题适合用边界元法所具有的高精度特性来求解。
Results of the proposed formula for plain circular hole were compared with the experimental and theoretical data, and they agreed well.
将得到的简单平圆孔的计算公式与实验资料和理论分析结果进行了比较，吻合的很好。
As an example, we calculate the conducting plate with a circular hole, and compare the calculating results with those of analytical method.
对于一个中间有圆孔的导体板进行了计算举例，并与解析法的分析结果进行了比较。
The anchor shaft eyelet is a circular hole with a form of through hole wholly, and is slightly bigger than the external form of anchor shaft.
锚杆眼孔整体上为通孔形式的圆孔，与锚杆的外形稍大一点。
In this paper, the method of complex variable function is used to solve the scattering problem of a circular hole by SH wave in an anisotropic medium.
本文利用复变函数方法求解无限的各向异性介质中入射SH波对圆孔的散射问题。
In this paper, the problem of an infinite plane with a circular hole welded by a nearly circular plate with a crack of different material is considered.
本文讨论了在带圆孔的无限平面中焊接一个不同材料的带裂纹的近似圆板的问题。
Accordingly, it requires much higher detecting precision on the position of spherical circular hole, and adopting noncontact measuring methods when detecting.
相应地，对球面圆孔位置的检测精度提出了很高的要求，并且检测时要求采用非接触测量形式。
According to the nonhomogeneous anisotropic elastic theory, a calculation model of the composite material plate with the circular hole in joint structures is set up.
本文针对连接结构中含圆孔的复合材料板，根据非均质各向异性弹性理论建立计算模型。
General solutions of the equations are obtained, in terms of series, for shallow spherical shells and shallow circular cylindrical shells with a small circular hole.
对浅球壳和圆柱壳带一小圆孔的情况，获得了方程的级数形式通解。
The influences of damage and damage evolution on the nonlinear dynamic response and dynamic buckling for thin shallow spherical shells with circular hole are investigated.
研究损伤对开孔浅球壳非线性动力响应与动力屈曲的影响。
It is discorered that circular hole diffraction and circular disk diffraction pattern in large aperture convergent beam are different from those of general Fresnel diffraction.
实验中发现，经常使用的大孔径会聚光束的圆孔和圆屏衍射图样不同于一般的菲涅耳圆孔和圆屏衍射图样。
In the case of the te mode (the polarization direction along to the slit), the transmission characteristics are the same as that of the single sub-wavelength metallic circular hole.
而TE模式下(太赫兹波偏振方向平行于狭缝)，太赫兹波段金属亚波长狭缝的透射规律与单个金属亚波长圆孔相同。
Using an approximate analytical method, the explicit expression of stress concentration factors is derived for an eccentric circular hole in a tension orthotropic finite-width strip.
用近似解析方法推导出拉伸正交各向异性有限宽板偏心圆孔的应力集中系数的显式表达式，除了比较极端的情况外，该式的精度较好。
The present paper deals with the material parameter identification of orthotropic plate with a circular hole by the approach of integrating optimization and boundary element analysis.
结合优化技术和边界元分析，针对正交各向异性孔板进行了材料参数的识别。
Under the conditions of limitation, not only known results can be obtained but also the solutions of the SIFs at the crack tip of a circular hole with two symmetrical cracks were found out.
在极限情形下，不仅可以还原为已有的结果，而且给出带双对称裂纹的圆形孔口在裂纹尖端的应力强度因子。
This paper deals with theoretical and numerical analyses of scattering of elastic wave and dynamic stress concentrations in an infinite thin plate with a circular hole using boundary element method.
本文采用边界元法对开孔无限大薄板弹性波的散射与动应力集中问题进行理论分析和数值计算。
This paper deals with theoretical and numerical analyses of scattering of elastic wave and dynamic stress concentrations in an infinite thin plate with a circular hole using boundary element method.
本文采用边界元法对开孔无限大薄板弹性波的散射与动应力集中问题进行理论分析和数值计算。
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