成对

Based on the analysis on the control system and sintering principle of vacuum nitridizing sintering temperature,a rational nitriding sintering technical curve was developed.

在对真空氮化烧结温度控制系统和烧成机理进行分析的基础上，开发制定了合理的氮化烧成工艺曲线。

The variation of pH and conductivity of various phosphate solution with the solution temperature were obtained based on the physical chemistry theory and ionization equilibrium theory in electrolytic solutions, and be testified experimentally under radiation of ultrasonic wave. The pH was a linear function with the reciprocal of thermodynamic temperature, and the conductivity was a linear function with the temperature in phosphate solution.

三、超声波对双水相系统组成物质、两相组成及溶质分配影响的研究根据物理化学原理和电解质溶液电离平衡理论分析推导和实验验证，揭示了超声波作用下不同组成磷酸盐溶液的pH值和电导率随溶液主体温度变化的规律：磷酸盐溶液的pH值与溶液主体绝对温度的倒数成线性关系，磷酸盐溶液的电导率与溶液主体温度成线性关系。

As the Jacobi Matrix of Fast One-Step Newton Error Reconstructor algorithm can be calculated previously t, the same imaging speed as back-projection algorithm can be made. The study results show that the FNOSER algorithm can obtain static image with a character of high space resolution, accurate orientation, fast imaging, and so on.

2基于牛顿法的一步误差重构算法对静态电阻抗成像技术进行了详细研究，推导出FNOSER 静态算法，快速牛顿一步误差重构算法其雅可比矩阵等可以事先计算好，从而可以获得和反投影算法类似的成像速度。

Based on the former drag reduction experiments of the bionic nonsmooth body of revolution models in the lowspeed wind tunnel, the simulation wind tunnel tests at the wind speed of 44 m/s were performed for the body of revolution models with the tail rectangularly disposed by three different nonsmooth structures, such as the convex dome form with the diameter/height of 1.0/0.5 mm, the dimple concave form with the diameter/depth of 1.0/0.5 mm, and the riblet form with the width/height of 1.0/0.5 mm, in contrast with the body of revolution model with smooth surface.

在前期进行的仿生非光滑旋成体模型低速风洞试验的基础上，将非光滑形态在旋成体模型上的排列方式固定为矩形布置，非光滑的尺寸固定为直径或宽度为1 mm，深度或高度为0.5 mm，在风速为44 m/s时，对布置在模型尾部的凸包形、凹坑形和棱纹形三种非光滑模型与表面光滑模型进行了对比模拟试验。

On the basis of analyzing the forming conditions, establishing reservoir forming pattern of vertical migration-fault sealing, developing petroleum reservoir types of fault sealing and fault together with anticline, it is pointed out that the traps near the deep depression and non-piercement salt dome should be the first choice of exploration target area.

在对该区油气成藏条件分析基础上，建立了研究区盐上层系垂向运移－断层封堵型成藏模式，形成断层遮挡型及断层与背斜组合型两种油藏类型，并指出距离盐上深洼陷较近的、盐丘非刺穿构造上的圈闭是首选的勘探目标区。

Based on the research of oil geology characteristic of Xing'anling group in Sudeerte area,by researching the three main accumulation factors source rock,transform pathway and trap for oil formation, showed that the main transform pathway for oil migration in K1n are source rock,unconformity and sand body,and trap related with fault is the main place for oil migration.

在苏德尔特地区兴安岭群石油地质特征研究的基础上，对其油成藏的源岩、输导通道和圈闭3个主要成藏要素进行了研究，得到南屯组是其主要源岩，源断裂、不整合面和砂体是油运移的主要输导通道，与断层有关的圈闭是油聚集的主要场所。

In this paper we also designed the computer optical elements based on the scalar quantity diffractive theory, which can change the laser beam into a square frame.

计算机模拟成像结果与预期得到的衍射图样相符合；文中还讨论了设计参数对成像质量的影响规律。

Finally, elastic screen propagator with wide angle correction and vector imaging condition are tested with model data, and the migration result is ideal.

利用模型数据，对大角度相位校正后的弹性屏延拓算子和矢量成像条件进行了试验，成像效果理想。

During building 2D model, I use the concepts of point, segment, line and plane, the segment can be formed from points, then line can be formed from segments, the closed curved plane can be obtained by around lines, and finally the 2D model can be built by closed curved plane; I express the un-smooth stratum or fault by linear fitting and express the smooth stratum or default by cubic spline fitting segmentally, in this way I can describe the variation feature of 2D interface properly.

在二维建模中，引用点、段、线、面的概念，即由点形成段，由段形成线，由线围成封闭面，封闭面构建成二维模型；对表示二维地层和断层的界面线，用线性拟合表示非光滑性地层或断层面，用分段三次样条拟合表示光滑性地层或断层面，恰当地表达了二维界面的变化特点。

Mao Zedong self-exiled from politics and was succeeded by Liu Shaoqi , who made a complete about-turn in policy. He criticized the disasters as "30% fault of nature, 70% human error."

第二个五年计划结束（1962年）后毛泽东从政府辞职，继任的刘少奇对中国的经济政策作了大幅度的改变，他批评中国所遭遇的灾难"3成是自然灾害，7成是因为人为因素"。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷