介质

In order to increase the negative refraction bandwidth and the dimension of metamaterials, based on a quadrate structure, a crossing-net metamaterial structure is proposed, and the frequency properties of its permittivity and permeability are simulated.

为拓宽异向介质结构的带宽和维数，在方形环结构的基础上，提出了一种异向介质的交叉网状结构的设计，并对其介电常数和磁导率的频率特性进行了计算机仿真。

Gears are often through-hardened by water or oil quenching in order to increase their resistance to wear.

齿轮通常都要经过在油介质或者水介质中的整体淬火，以达到增加耐磨性的目的。

For the first time, we study the radio afterglow behavior during the trans-relativistic phase of the fireball shock wave. Considering the trans-relativistic shock dynamic and the synchrotron self-absorption effect of the relativistic electrons on the radio emission, we find that the dense medium model can not only explain the fast decline of the X-ray and optical afterglows of GRB980519, but also account for its radio afterglow quite well.

我们首次研究了致密介质情形下射电余辉在跨相对论阶段的行为，发现考虑到激波的跨相对论动力学和相对论电子的同步自吸收效应对射电辐射的影响，致密介质模型既可以解释GRB980519的快速衰减的X射线和光学余辉，也可以很好地解释其射电余辉的特点。

In the process of quantum information memory and transmission, the quantum noise of light field will have the certain influence on the SNR of information read-out.

另一方面，由于原子相干效应介质中较大的色散特性，对其作用场量子噪声特性的研究，也间接提供了一种测量激光场位相噪声的方法。该论文讨论了原子相干效应介质中与之作用的探测场的量子噪声特性。

Experimentally, in order to increase the coercivity of the hybrid recording media for increasing the area density, the influences of the magnetron sputtering parameters on the magnetic properties of TbCo films have been investigated.

实验上，围绕着光磁混合记录介质需要具有高的矫顽力，以提高介质记录面密度的问题，采用控制变量法，研究了制膜工艺参数对TbCo薄膜矫顽力的影响，得到了TbCo薄膜获得高矫顽力的最佳制膜工艺条件。

A recording medium stores information representing use or non-use of linear replacement defect management in which a defective area on the recording medium is replaced with the spare area, in order to record real time data.

记录介质存储表示使用或不使用线性替换缺陷管理的信息，其中记录介质上的缺陷区用备用区代替，以便记录实时数据。

The recording medium includes a spare area in which a replacement area, which is a substitute for a defective area of the recording medium, is formed, and a temporary defect management area in which temporary management information that specifies the defective area and the corresponding replacement area is recorded, wherein position information and state information regarding the defective area are recorded in the replacement area.

所述记录介质包括：备用区，在其中形成有作为所述记录介质的缺陷区的替代的替换区；和临时缺陷管理区，在其中记录有用于指定所述缺陷区和对应的替换区的临时管理信息，其中，关于所述缺陷区的位置信息和状态信息被记录在所述替换区中。

The recording head forms an image on the print medium by heating a surface or an opposite surface of the print medium according to a location to which the recording head is rotated.

记录头依据记录头旋转到的位置通过加热印刷介质的表面或相对的表面在所述印刷介质上形成图像。

It is found that the porous medium acting as a heat recuperator can considerably preheat the fuel-air mixture, which promotes the ignition and combustion in the cylinder. And the initial PM temperature is a critical factor controlling the compression ignition of the mixture.

结果表明：多孔介质对混合气具有预热作用可强化发动机的点火燃烧，多孔介质的初始温度是决定压燃点火的决定性因素。

A novel finite-difference time-domainmethod,called shift operator FDTDmethod is developed for anisotropic magnetized dispersive media.The recursive relation between operators is used.In this paper,some expressions containing the dielectric constants of magnetized dispersive media are written as rational polynomial function.

给出了一种新的计算各向异性磁化色散介质的有限差分算法，称为移位算子FDTD算法，它利用算子之间的移位递推关系，将一类色散介质的包含介电常数的表达式写成有理分式函数形式，进而导出FDTD中一系列相关量之间的关系。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。