立方

We know that the weight of a cubic foot of air at 0℃ and 76 cm,pressuer is 0.081 pound ,or 12cubic feet of air wergh a pound .

我们知道，1立方英尺的空气在0摄氏度和760毫米汞柱子压力下，重量是0.81磅，也就是说12立方英尺空气的重量是1磅。

We know that the weight of a cubic foot of air at 0oC and 76cm,pressure i s 0.08l pound, or 12 cubic feet of air weigh a pound.

我们知道，1立方英尺的空气在0摄氏度和760毫米汞柱压力下，重量是0.81磅，也就是说1 2立方英尺空气的重量是1磅。

Weight per Volume: Tons per Cubic Yard, Pounds per Cubic Yard, and Kilograms per Cubic Meter.

重量每卷：吨立方码，磅每立方码，和公斤每立方米。

The logical function was expressed in terms of cubic notation andthe logical operation was carried out cubically through intersection,compatibility and sharp product.

采用立方符号表述逻辑函数，把逻辑运算表示为立方的相交、相容及锐积运算，提出用判断最小项来完成对给定程序的判断和校正，进而实现了计算机辅助逻辑综合，得到了最优的逻辑设计结果，并将此应用于计算机辅助气动系统设计中取得了良好的效果

The several shapes of diamond grains have been observed in SEM: truncated cube, octahedron, truncated cubo-octahedron, twinned cubo-octahedron, twinned regular decahedron and twinned regular icosahedron. Most of diamond grains are octahedron.

用扫描电子显微镜观察到多种外形的金刚石颗粒：截顶立方体、未截顶正八面体、截顶立方八面体、孪晶立方八面体、正十面体和正二十面体的金刚石颗粒。

A dominant B2CN crystal with orthorhombic structure was synthesized using deliquescent Ca3B2N4 catalyst by high pressure and high temperature. This crystal is a white photoluminescence material with blue-violet luminescence characteristic.

采用乱层石墨结构B2CN为前驱物，在高温高压下获得了六方B2CN晶体；采用Ca3B2N4触媒；在压力为3~6 GPa；温度为800~1600 ℃范围内测定了立方B(CxN1-x)的P-T相图；合成出了立方B(CxN1-x)(x=0.1~0.4)化合物。

This angle distortion results from the rhombohedral symmetry of LSMO, when it is matched onto a cubic substrate. As the distortion angle is partially recovered in coherently LSMO films, the transition temperature T_P of the films almost approaches to that value of the LSMO bulk.

因此，菱形的LSMO匹配生长在立方单晶衬底上，除了受晶格参数失配引起的应变外，还存在另一种应变来自于LSMO匹配生长在立方衬底上引起的。

It is revealed that the maximum refractive index modulation coincides with the widest band gaps and the optimum volume fraction of the atoms is structure independent. The photonic bands of the face centered cubic ...

文中还计算了由各向异性介电小球构成的面心立方结构的光子能带并看到了禁带，这与各向同性介电小球构成的面心立方结构很不相同。

In order to predict the final components of deformation texture during the drawing process of face centered cubic metals wires, the cold drawing textures of FCC metals are simulated by Taylor model.

为了预测面心立方金属线材在冷拔过程中形变织构的演变规律，采用Taylor模型对面心立方金属冷拔织构进行模拟。

Based on the free electronic band model, we study the relationship between average bond energy E m and Fermi level E F in face centered cubic crystal, body centered cubic crystal and hexagonal closed packed structure crystal.

根据半导体自由电子能带模型，文中在面心立方晶体、体心立方晶体和 6角密堆积晶体中研究自由电子能带的平均键能 Em 和费米能级 EF 的关系，并得出自由电子能带的平均键能 Em 相当于费米能级 EF 的研究结果。

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。