对圆的

It is suitable for accurate finish polishing of a commutator (the position in touch of the carbon brushes).

该机主要适用于对微电机换向器的外圆进行精密的磨削加工（还可以同时磨削两端轴承位置）。

After the contradistinctive experiments for the detection of photoelectric image of PCB positioning circlular hole obtained in reality,the detection method proposed in this paper has obvious advantage in the aspects of increasing detection precision,reducing memory space and time.

对实际采集的PCB定位圆孔光电图像进行对比实验，在提高检测精度、降低内存空间、减少计算时间方面，该检测方法的优势明显。标签图像处理同心圆检测 Hough变换点组选取 image processing detection of concentric circles Hough transform point sets selection

In this thesis, the Round Link Connectors wide used in the minerals conveyance equipments was studied.

本文对目前在矿山运输设备上广泛使用的圆环链接链环进行了较为深入的研究。

The mean and turbulence characteristics of velocity fields of turbulent round jets at different velocity ratios in counterflow and coflow ambient are investigated thoroughly.

全面研究了不同射流流速比下反向流动和同向流动环境水体中紊动圆射流流速场的时均特性和紊动特性，分析了流速比对射流特征参数的影响。

Leaf blade glabrous, margin densely crenate, elliptic or broadly elliptic, lateral veins 3 or 4 pairs.

无毛的叶片，具圆齿的边缘密，椭圆形或宽椭圆形，侧脉3或4 对。 33 R。 cathartica 药鼠李

Leaf blade membranous, oblong-ovate or ovate-orbicular, margin crenate to serrate; terminal bud not spinescent.

叶片膜质，长圆状卵形的或卵形圆形，对有锯齿的边缘具圆齿；顶芽不具刺。

The keeping quality and storage life of three freshwater fish productssuch as fish stick, fish ball and croquette were determined by sensory evaluation andchemical analyses at various temperatures.

本文采用以食品风味、色泽、口感为主的感官和化学检定方法对欧式鱼排、鱼圆和口乐开3种淡水鱼冷冻制品，在不同保藏温度下的质量变化和保藏期限进行了测定。

Belonging to the Menghai tea factory order system, the grade of custom tailor tea was in very high rank those days.

作为第一批唛号茶品的复出版，也是对早期甲级圆茶的深切纪念。

The cyanidation rates of gold, silver and copper were compared with each other under the same reaction conditions by kinetic rotating disk method, and the influences of sulfion on them were discussed.

云南大学化学系，昆明 650091摘要：用旋转圆盘法在相同的实验条件下，对金、银、铜的氰化溶解速率进行比较研究。

The software has realized the techniques presented before and has other functions, such as the simulation of a disk under diametral compression, various error analysis, phase unwrapping, real-time display of image information, and so on.

本文开发形成一套与计算机设备无关的数字光弹性图像处理软件，用来实现本文提出的数字光弹性方法。附加功能还有对径压缩圆盘理论仿真模拟、各种误差分析、相位去包裹和图像信息实时显示等，它为今后进一步开发奠定基础。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。