查询词典 sphere

But more precisely, a constellation is a particular section of the celestial sphere that includes all celestial bodies within it.

"Constellation"-星座常常理解为在地球上观察到恒星呈现出的自然形态所形成的模式，但是，更准确的说，星座是一个天球的特殊部分，这个天球包涵了所有天体。

Astronomy The position of two celestial bodies on the celestial sphere when they have the same celestial longitude.

缩写 conj。合：两个天体在天球中处于同一天球经线的位置

A straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere).

从圆的中心到周界的直线。

Are you saying that sphere in Central Park isn't the only one?

你是说在中央公园的那颗星体不是唯一的？

With replacing the chain by equivalent sphere,a cluster is simplified to a planar array,and this planar array is simplified to a chain,then the dipole moment is obtained.

在这一过程中，通过不断增加等效球的尺寸，将颗粒间的相互作用包含在簇的偶极矩中。

This article Proof of the double-filled sphere between the two media point charge of the distribution of electric potential.

本篇文章推证了在双层球面间填充两种介质的点电荷产生的电势分布规律。

The preparing process is described as follows:(1) the raw materials are dispersed in the solvent;(2) the solution is arranged between two electrodes;(3) alternating current with a voltage of 5 V-100V and a frequency of 10Hz-1000Hz is applied to both ends of the electrodes for 5minutes to one hour;(4) the product obtained after being washed with deionized water and pump filtrated or after centrifugal treatment is dried by being heated to 40 centigrade to 100 centigrade to get the nanometer grain, wherein the raw materials in the first step are micrometer materials or nanometer materials such as sulphide, selenide, telluride and oxide; without special requirement on shape or appearance, the materials can be in the shape of a rod, a fork, a star, a block or a sphere; the solvent in the first step can be water, ethanol, acetone, benzene or tetra chloromethane.

步骤为：1将原料分散于溶剂中；2使制成的溶液处于两电极之间；3在电极两端的加交流电，电压为5V-100V，频率为10Hz-1000Hz，时间为5min-1h；将产物用去离子水洗涤、抽滤，或进行离心处理后；4将所得到产物加热到40～100℃进行干燥，得到纳米颗粒。步骤1中原料为硫化物、硒化物、碲化物、氧化物等微米或纳米材料，其形貌不限，可以为棒状、枝状、星状、块状、球形等多种形状。步骤1中的溶剂可以为水、乙醇、丙酮、苯或四氯化碳。

Result:The best prescription was : Lecithin: Sodium Cholate =8∶1,Lecithin:Proanthocyanidins =15∶1,sonde-type ultrasound time was 5 min,the entrapment efficiency of FNL was 67.13%,and the results revealed the FNLs were sphere like with the mean size of 168.3 nm,the mean Zeta potential was –86.6 mV.

结果：最佳处方和制备工艺条件为卵磷脂与胆酸钠的质量比为8∶1、卵磷脂与原花青素的质量比为15∶1、探头式超声5 min。包封率为67.13%，所得柔性纳米脂质体为类球形实体粒子，平均粒径168.3 nm，平均Zeta电位-86.6 mV。

The gems we made are colorful and with more than 100 shapes, such as round, rectangle, square, marquise, oval, pear, triangle, yanbao, trapezia , cinquefoil, pentacle, ax, heart, leaf, arch bridge, rhombus, solid drip, sphere, moon, cabochons, beads, pendants, buttons.

本厂生产的宝石产品色彩丰富，形状更是五花八门，其中包括：圆形、长方形、正方形、马眼形、蛋形、梨形、三角形、元宝形、梯方形、梅花形、五角星形、心形、树叶形、拱桥形、菱形、立体水滴、球形、月亮形、素面、服装钮扣等100多种款式的产品。

Second, proceeding with the fact thatthe constructing vector wave functions of conventional circular cylindrical and sphericalvector wave functions are linear independent solutions to the electromagnetic field waveequations in biisotropic medium,spectral impedance boundary conditions are proposed forinfinitely long perfectly conducting circular cylinder and sphere coated with biisotropic media,respectively,which generalize the applicable range of planar structures and are suitable toanalyze the electromagnetic problems involving their counterpart structures.

所用的方法是在Fourier变换谱域中的一阶线性微分方程组理论和矩阵技术，提出了适用于Chiral媒质半空间辐射问题的耦合镜像原理(即镜像电流的振幅和相位是由Chiral媒质中的本征左、右旋圆极化波相互耦合来确定的)和适用于研究平面分层Chiral媒质电磁问题的一般性更高的分析方法。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了