立方

The plane wave expansion method was employed to calculate the band gap structures of 3D simple cubic lattice phononic crystal composed of elliptical steel cylinders embedded in epoxy matrix.

用平面波法研究了椭圆钢柱与环氧树脂组成的三维简立方晶格声子晶体的带隙结构。

Making use of Tight-binding approximation, plotting isoenergic surface about S state electron of simple cubic lattice in first Brillouin zone in MATLAB soft.

利用紧束缚近似方法，在数学软件MATLAB中绘制简立方晶格S态电子在第一布里渊区的等能面。

Making use of Tight-binding approximation,plotting isoenergic sur face about S state electron of simple cubic lattice in first Brillouin zone in M ATLAB soft.

利用紧束缚近似方法，在数学软件MATLAB中绘制简立方晶格 S态电子在第一布里渊区的等能面。

The thermodynamical properties of the two dimensional square lattice and the three dimensional simple cubic lattice transverse Ising model with spin - 1/2 are investigated within the framework of the finite cluster appraximation.

本文在有限集团近似的框架内研究了自旋为1/2的二维平方晶格和三维简立方晶格横场伊辛模型的热力学性质，得到了相应的相图，临界温度和临界横场。

distortions in a nematic liquid crystal composed of n molecular layers is investigated using a simple cubic lattice model, based upon the dispersion force pair potential with spatial anisotropy.

基于空间各向异性色散力势能，用简单的立方格子模型研究具有n层液晶分子所组成的向列相液晶形变。

I remember as a, as a mathematics student, thinking, well, you know, where am I ever gonna use simultaneous equations.

我记得还是一个数学系学生的时候就想，你知道的，我究竟要在那里使用联立方程式。

I could never do simultaneous equations.

我从来不会算联立方程式。

The environmental laboratory has 1,110 m 2 , in the possession of 20 advanced test equipments that both from China and other countries such as USA , France , Italy , Japan , etc. The speed of decreasing temperature could reach 15 ℃/min, the raising speed of temperature could reach 30 ℃/min and be capable of adjustment continuously. 29 m 3 test box could test temperature, temperature and humidity for large electrician and electronic equipment. The speed of raising temperature could reach 6 ℃/min at best. Vibration test equipment include slipway, it could carry through three axis vibration, and the minimum thrust force is 5 tons.

环境实验室建筑面积 1100 平方米，拥有从美国、法国、意大利、日本等国家引进的国外及国产先进试验测试设备 20 台，降温速度最高可达到 15 ℃/min ，升温速度可达 30 ℃/min且连续可调； 29 立方试验箱能对大型电工电子设备进行温度、温度循环及湿度试验，升温速度最高可达 6 ℃/min ；振动试验设备有滑台，可进行三轴向振动，最大推力可达 5 吨。

At last spherical omnidirectional image is successfully transformed from the cubic omnidirectional image.

最后通过立方体表面上的全方位全景图象生成了球面上的全方位全景图象。

In this condition, spherical granular powder with particle mean size of 50μm, bulk density of 0.88g/cm^3 and rest angle of 33.5° can be achieved.

得到球形实心颗粒粉料，其松装密度0.88g/立方公厘，休止角33.5°，平均粒径50μm。

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。