径中的

We first got the PML equations by making the radius complex, and then proved that the sesquilinear form in the weak formulation of the PML problem satisfies the Grding inequality under the hypothesis of the absorption factor, and further could prove the existence and uniqueness of the solutions of the PML problem, finally, we gave the numerical experiments which show that this method is feasible to a certain extent.

首先通过复化极径得到PML方程，然后在关于吸收参数的假设下，证明了PML问题变分形式中的半双线性形式满足Grding不等式，进而证明了PML问题解的存在惟一性，并给出了数值实验。实验结果表明，该方法有一定的可行性。

We first got the PML equationsby making the radius complex, and then proved that the sesquilinear form in the weak formulation of the PML problem satisfies the Garding inequality under the hypothesis of the absorption factor, and further could prove the existence and uniqueness of the solutions of the PML problem, finally, we gave the numerical experimentswhich show that this method is feasible to a certain extent.

首先通过复化极径得到PML方程，然后在关于吸收参数的假设下，证明了PML问题变分形式中的半双线性形式满足Garding不等式，进而证明了PML问题解的存在惟一性，并给出了数值实验。实验结果表明，该方法有一定的可行性。

The critical flow rates of sand grains with different size migrated from the sandcarrying pipe with different angle of inclination were measured.

观察了颗粒在不同倾斜角度的井筒中的运移方式，测定了不同粒径的砂粒被携带出的临界流量，揭示了颗粒直径同流体流量关系变化规律。

We use SEM to observe fractured morphology of composites, and TEM to observe dispersion and particle size of nanoparticles or composited nanoparticles in matrix. We also investigate dispersion property of composited nanoparticles in polymer matrix with the help of microtone.

采用扫描电镜观察缺口冲击的断裂形貌，通过透射电镜观察纳米粒子和复合纳米粒子的分散情况和粒径的大小；通过超薄切片法研究复合粒子在聚合物基体中的分散性。

The contrast experimental analyses on the spray voltage, pinhead size and other influential factors are carried out.

在初步试验的基础上，利用正交试验的方法考察了海藻酸钠，羧甲基纤维素钠以及氯化钙的浓度对成囊过程中微胶囊膜厚，粒径等的影响。

Three main problems about electrical control system of foil separater and slitter were analysed.

分析了铝箔分切机和铝箔剪切机电控系统设计中的三个主要问题：机列张力形成方式的选择，卷取张力控制方法的选择，卷径的测算。

The calculation of melt shear rate , jet stretch ratio and spinneret back pressure was analyzed and discussed, which decided the diameter and L/D ratio of spinneret.

分析了涤纶长丝生产中喷丝板选用的相关理论，对熔体的切变速率、喷丝头拉伸比、喷丝板背压的计算方法进行分析讨论，认为 3个参数可作为选择喷丝板微孔直径和长径比的依据，并举实例进行了验

Little quantity of sulphur occur in forms of enclave and anhedraal,subhedral,euhedral crystal. The crystal size ranges from0.01mm to1. 00mm and little of size around 1μm.

少量呈包体形式产出，它形～半自形～自形晶，粒径在0.01mm～1mm间，极少量的在1μm这些硫化物中的硫，含量略低于其相应矿物的硫的含量。

Such as Henan Fangcheng remnants unearthed stone bench, Hebei well jingxian shizhuang brick tomb on the 7th Songmu tables, chairs, shizhuang tomb tomb murals on the 2nd,"sitting down to a figure" in the tables and chairs, Luoyang tomb Jianxi Song Mu The brick furniture.

如河南方城出土的石椅残件、河北井径县柿庄七号宋墓墓室砖雕桌椅、柿庄二号墓墓室壁画《对坐图》中的桌椅、洛阳涧西宋墓墓室的砖雕家具等。

At the centre, the town of Athens lies in a depression surrounded by hills rich in marble (Pentelicus to the northeast, Hymettus to the east) and was easily accessible to the bay of Phalerum and the port of Piraeus in the southwest.

位于中心的雅典城，坐落在于群山环绕的盆地中(东北方是彭特利库斯山，东部是伊米托斯山，均盛产大理石)，人们可取径西南方的法勒隆海湾和比雷埃夫斯港抵达雅典。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。