环形

The number three ringed mountain centering on Tangxia town, with east-west length about 23 kilometers, and the south-north about 16 kilometers; the structure is not very intact, appears a fragmentized ellipse.

第三号环形山以塘夏为中心，东西径约23公里，南北径约16公里；环形山构造不完整，呈破碎状椭圆形。

Before transecting inject 1ml Sodium Chloride in the epineurium. Annular tensile the proximal of epineurium with microscopic forceps annular shear the epineurium 7mm before broken ends with microscopic shear and stretch the epineurium until the two ends distance is 5mm.Use 8-0 suture line to bridge the nerve gap and make a 5 mm nerve tube at the proximal nerve end. Interrupted suture the epineurium tube and the distal nerve end make a 5 mm nerve mamuro for the injury nerve.Results: Postperative observation lasted for 6 weeks regeneration nerve through the 5 mm nerve mamuro.

在大鼠的坐骨神经距股方肌下缘15mm处，用1ml注射器向神经外膜下注入1ml生理盐水，然后于此处切断坐骨神经，用显微镊环形拉伸近端神经外膜，在距断端约7mm处用显微剪环形剪开神经外膜，并继续拉伸外膜使外膜两断端间距约5mm停止，用8-0的无损伤缝线桥接神经外膜两端，在神经近端形成约5mm的神经外膜管，将神经外膜管与神经远端间断缝合，使断伤的神经束间留有5mm的小间室。

The composition, function and characteristic of uncapping system are described, and the critical parts of the system are analyzed and calculated by using finite element method. The related action process of the spread of ring-like pressure mine girder and the motion of sail mine is analyzed with simulation interference. Theoretical calculation and simulation interference analysis show that the system can solve four actual problems and meet operational requirement.

介绍了环形压雷梁开盖系统的组成、功能和特征，深入分析了系统作用载荷，着重对系统的特征关键件进行了有限元分析与计算，并对环形压雷梁展开与航行雷运动的关联动作过程进行了详细的仿真干涉分析，理论分析及仿真结果表明，采用本技术能够解决4个方面的实际问题，满足使用要求。

By embedding a C-shaped slot in the resistance-loaded annular-ring microstrip antenna,we design a compact dual-frequency microstrip antenna in this paper.

在对环形微带天线进行电阻加载实现天线小型化的基础上，通过对环形天线的C形开槽，实现了天线的双频带工作。

Combining the characteristics of furnace with doughnut-shaped steel pipe this article gives us the introduction that by using the fuzzy PID technology, simulate technology of computer, communication technology of network and spot bus technology and adopting Siemens S7-300 and Wincc software can realize the automation control of furnace's temperature to reduce energy consumption and cut down combustion of base tube.

本文结合钢管环形加热炉的特点，运用模糊PID技术、计算机仿真技术、网络通讯技术、现场总线等技术，采用西门子S7-300PLC和西门子WinCC上位机软件，以降低能耗和减少管坯烧损为目的实现环形加热炉的炉温自动化控制。

Circular electric current is a classical physical model. The researches on the magnetic field distribution characteristics of the circular current are helpful for the further study on magnetic characteristics of magnetic dielectric. The ellipse electric current is a typical physical model of ring-like electric current.

圆电流是一个经典的物理模型，对圆电流磁场分布特性的研究有助于进一步研究磁介质的磁性特征；而椭圆形电流又是环形电流中一个典型的物理模型，对椭圆形电流磁场分布情况的研究，将让我们进一步认识环形电流的磁场问题。

Circular electric current is a classical physical model. The researches on the magnetic field distribution characteristics of the circular current are helpful for the further study on magnetic characteristics of magnetic dielectric. The ellipse electric current is a typical physical model of ring-like electric current. The researches on the magnetic field distribution of it make us obtain more understandings of magnetic problem of ring-like electric current.

圆电流是一个经典的物理模型，对圆电流磁场分布特性的研究有助于进一步研究磁介质的磁性特征；而椭圆形电流又是环形电流中一个典型的物理模型，对椭圆形电流磁场分布情况的研究，将让我们进一步认识环形电流的磁场问题。

The heat flux between water of centric tube, outside annuli tube and that of annulus channel is assumed to be equal, and then the steam generator's model is built by lumped parameters with moving boundary.

通过假设中心管、环形管外侧与环形通道流体间的热流密度相等，应用集中参数和可移动边界的处理方法，建立了套管式直流蒸汽发生器的数学模型。

Experimental investigation on strongly separated flow in an annular compressor cascade ;2. The structures of separated flow, especially, vortices, inside an annular compressor cascade at large incidences have been studied baized on the flow visualization images obtained by means of Laser-sheet method and 7-hole probe measurement.

本文采用激光片光层加示踪粒子流场显示技术，观察和摄取了环形压气机叶栅在约十14大攻角下的内部流动图像；采用七孔气动探针测量了叶栅出口截面上的速度分布S通过对流场实验结果的分析，并结合本文第一部分中得到的叶片近壁区分离流结构，得到了该环形压气机叶棚中严重分离流场的分离流形态和旋涡结构。

In order to solve these problems, we propose a novel scheme: by getting ring structure and star structure together, we get a bidirectional four-ring structure, in which the outer two rings form a standard RPR, and the inner two rings form a star structure logically.

为了解决弹性分组环局限性问题，提出了弹性分组星-环结构：即将环形结构和星形结构结合起来，组成一个四环结构，使外二环在物理上是环形结构，内二环在逻辑上是星型结构。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。