外切圆

In the afternoon delivers diploma's picture in the teacher in charge hand, the impresario if a love smiles the old woman, a little corrupt Qian Dan is very lovable, it is a pity the high school entire grade has not taken the group photograph on actually my one, is very regrettable, although does not have the human who is reluctant to part with very much, but keeps a memento well also, what a pity does not have my face, but like this also good, changed attractive they have not also had the evidence saying that the NONO high school was a circle, inscribes circle which Canada circumscribed ha.

下午把毕业证书的照片送到班主任手里，班主任是个爱笑的老女人，有点贪钱但还是很可爱的，遗憾的是高中整年级就却我一个没拍集体照，很遗憾啊，虽然没有很留恋的人，但留个纪念也不错的嘛，可惜没有我的脸，不过这样也好，变漂亮了他们也没证据说NONO高中是个圆，内切加外切的圆哈哈。

Through the application of orthogonal method in the design of dehydrator,the text analyzed the result of experiment in variance,ascertained parameter's affecting in the design of dehydrator.

通过在除水器设计实验中应用正交法，使其在大量减少实验次数的前提下能够大致反映全面的实验结果，对实验结果进行方差分析，确定除水器设计中主要参数外圆直径、叶片切向角、叶片高度、叶片数目对脱水性能影响的程度，进行优化，为除水器设计中获取最佳设计参数提供科学依

Four circles of radius 1 are each tangent to two sides of a square and externally tangent to a circle of radius 2, as shown. What is the area of the square?

A 32 22+12 2 16+16 3 48 36+16 2 中文：如图所示，四个半径是 1 的圆分别与正方形的两边相切且与一个半径是 2 的圆外切，这个正方形的面积是多少？

The results show that dynamical ductil-ity dominated final velocity of fragments. During tube expansion, the shear fracture appears preferentially a-long the adiabatic shear bands under positive stress, so the adiabatic shear band determines the size and shapeof fragments. Though the fragmentation behaviour of medium carbon Si - Mn bainific steel is close to that ofsteel 50SiMnVB, medium carbon Si - Mn bainitic steel is an ideal candidate material for the tubular bombs be-cause it is better in dynamical ductility, which can enable the tubes to gain high speeds before fragmentation.

结果表明：材料动态塑性是决定破片最终速度的主要因素；圆管膨胀时外表面形成以剪切为主的裂纹，并向内扩展，接近内表面的绝热剪切带伴随着圆管的膨胀而扩展，并未出现失稳现象，但在正应力的作用下成为优先的断裂通道、决定破片的尺寸和形态；中碳Si-Mn贝氏体钢与50SiMnVB钢的破碎性能相近，但贝氏体钢动态塑性很更好，破碎前的膨胀量较大、更有利于提高破片初速，是弹箭比较理想的候选材料。

Using the special-purpose cutting knife, cut pipes vertically, the cutter handwheel rotates 30 angles, the cutting knife rotates 1 circle along the round outside the pipe, does not exert oneself too quicklily while cutting to the aluminium layer, so as not to influence the aluminum pipe, deform it, the notch should have no burr levelly and smoothly

使用专用割刀，垂直切割管材，切割刀手轮旋转30角度，割刀沿管材外圆旋转1圈，割到铝层时不要用力过猛，以免影响铝管，使之变形，切口应平滑无毛刺

Turning peripheries where there are no big variations of cutting parameters.

属半封闭断屑槽，前角为20°左右，适用于切屑用量变化不大的外圆车削。

This paper applies the concept of "contact" in Differential Geometry into the machining of sculptured surfaces, presentes the contact principle of the machining of complicated surfaces, using the circumference circle of the cylindrical cutter to sweep curved surfaces instead of ball-end mill .

把微分几何中曲线与曲面之间的&切触&概念应用于复杂曲面的数控加工，提出用圆柱铣刀和圆锥盘铣刀的外圆在五坐标联动中加工三维自由曲面的最佳切触条件。

First, according to the parts of materials processing operations, cutting tools and other relevant factors and choose the outline of the handle and part characteristics identify nine tools were cylindrical rough turning, cylindrical precision turning, external grooving cutter , internal thread cutter, Boring tool within the inner notch cutter, 93 ° left side knife, 93 ° right-side knife.

第一，根据本零件材料的加工工序、切削用量以及其他相关因素选用刀具及刀柄和零件的轮廓特点确定需要9把刀具分别为外圆粗车刀、外圆精车刀、外切槽刀、内螺纹刀、内镗孔刀、内切槽刀、93°左偏刀、93°右偏刀。

Professional production, The tool, cutting tool, CNC blade, hole hole groove knife knife, the knife, cut the slot, the circle is collected, hole threads, thread cutter knife blade, cutting and milling knife, acrylic, wheel hub, machine clip blade knife, piston ZhengLiuZi, universal tool, While producing weld dao/machine nipped dao/including difficult and special tools/non-standard tools, and undertake various non-standard customized extension milling styles.

专业生产；外圆车刀，切断车刀，数控刀片，内孔刀，内孔槽刀，外切槽刀，外圆正尖刀，内孔螺纹刀，螺纹刀片，铣刀，铣刀片，亚克力铣刀，轮毂刀，机夹轮毂刀片，雕刻刀，活塞刀，整流子车刀；同时生产焊接刀/机夹刀/包括高难度及特种车刀/非标刀具，并承接非标定制各种款式加长铣刀。

The company now has precision cylindrical grinder, numerical control machine nut, Italy CNC rolling machine, CNC Lathe dedicated screw machine, CNC lathe, patented technology alignment machines, optical projector, a large tool microscope, screw integrated dynamic tester lead, 5 m in quenched and tempered heat treatment furnace, such as advanced manufacturing and testing equipment.

公司现拥有精密外圆磨床，数控螺母加工机，意大利数控滚压机，数控丝杆旋切专用机，数控车床，专利技术校直机，光学投影仪，大型工具显微镜，丝杆综合导程动态检测仪，5米热处理调质炉等先进制造和检测设备。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。