壳的

Object displays various pattern, if superficial, or geometry being hit by the planet and the fixed star in anthodium , snowflake , shell helix or sky in animal skin , leaf or bark arranges middle.

事物呈现出各种图案，如在动物皮、树叶或树皮的表面上，或在头状花序、雪花、壳的螺旋或天空中行星和恒星的几何排列中。

It is a characteristic of this paper that dynamic buckling of cylindrical shells at complicated stress is researched.

在这种复杂的应力情况下研究圆柱壳的动态屈曲是本文的主要特色之一。

However, due to the HIV virus capsid structure and formation mechanism is not a better understanding, scientists have been unable to find appropriate ways to achieve the objectives.

但由于对HIV病毒衣壳的结构和形成机制没有更清楚的认识，科学家们一直无法找到相应的办法来达到目的。

First, we establish an energy inequality in the case that no boundary conditions are imposed, and obtain a uniqueness result in the Cauchy problem for the model.

首先，对没有任何边界条件的方程给出一个能量不等式，并且获得Koiter壳的一个Cauchy问题的唯一性结果。

The research indicates that the interior scattering sound field can be expressed as the summation of the interior scattering sound field of the closed shell and the external scattering sound field of these scatterers.

研究结果表明，该内部散射声场可表示为封闭薄壳的内部散射声场和这些内部散射体的外部散射声场之和的形式。

The conclusion can be obtained that the interior scattering sound field can be expressed as the superposition of the interior scattering sound field of the arbitrary-shaped closed thin shell and the external scattering sound fields of these scatterers.

研究结果表明，该内部散射声场可表示为封闭薄壳的内部散射声场和这些散射体的外部散射声场之和的形式。

The numerical method for nonlinear deformation problems of current-carrying columnar shell under the coupled action of electromagnetic field and mechanical field are studied.

针对在电磁场和机械场耦合作用下的载流柱壳的非线性变形问题的数值解法进行了研究。

Pepper that is ground from whole peppercorns with husks on.

带壳的整个干胡椒磨碎而成的胡椒粉。

In this paper, the effect of Possion′s ratio, Young's modulus of core and shell, and inclination of core on the hydrofracture of core is analyzed.

分析研究了心墙与坝壳的泊松比、弹性模量以及心墙倾斜度等因素对心墙水力劈裂的影响。

Holmes crossed two compatible races of ceratocystis ulmi, the causal agent of Dutch elm disease.

霍姆斯曾把荷兰榆病害的致病因子，长喙壳的两个亲和小种杂交。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。