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The spiral angle of graduated circle was rough estimated by measuring the addendum circle diameter and modified on milling machine.

介绍了精确测绘单一斜齿圆柱齿轮齿形参数的简便方法,即测量公法线长度计算基圆齿距从而查表确定模数和压力角;测量齿顶圆直径估算分度圆螺旋角,用分度头在铣床上修正分度圆螺旋角,并进行误差分析。

Another new spatial 3-RPS parallel pyramid manipulator mechanism is studied. The principal screws of this mechanism under three different configurations are identified by means of the conic section and the quadric degenerating theory, respectively. The planar conics representing the relations between the pitches of the output twists and the three linear inputs are described, and the three-dimensional distribution of the axes of all the twists with the same pitch is illustrated under each of the configurations.

研究了另一种新的空间三自由度3-RPS并联角台机构,分别用二次曲线和二次曲面分解法识别该机构在三种位形下的主螺旋,绘制了其在每种位形下的输出运动螺旋的节距与输入之间的平面图以及具有相同节距的所有运动螺旋轴线在每种位形下的空间分布的立体图。

It is presented that indirect assimilation experiment of CMW data from TCFM method improves effectively not only on vertical velocity field but for precipitation.4 Based on theory analysis, E-Ir relationship is brought forward with two electrification mechanisms. One is inductive mechanism, i.e., cloud particles collide with precipitation particles then flick away, the other is noninductive mechanism because of different temperature, i.e., bigger supercooled cloud particles collide and freeze with hail particles combined with ice scraps. By means of CINRAD and FY2C data assimilation, precipitation intensity Ir can be obtained, then electric field intensity E, discharge time and locations can be achieved with supposed threshold 300KV/m. Though it can not distinguish between IC (Intra-Cloud) lightning and CG (Cloud-to-Ground) lightning, results are still comparable to LLS observations.5 Example analysis shows that the relationship between precipitation data from AMS and CG data from LLS is not very clear.

同化实验对于台风眼区的螺旋形雨带贡献显著,说明TCFM云导风资料同化实验不仅有效调整了模式的垂直速度场,还对降水模拟有了明显改善。4通过理论分析,利用云粒子与极化降水粒子碰撞并弹离的感应起电机制和较大过冷云滴与雹粒碰冻并产生冰屑的温差起电机制下得到的E-Ir,由雷达、卫星遥感资料直接和间接同化模拟得到Ir,来反推E,了解雷暴云中闪电强度的平面分布,设置放电阈值为300KV/m,推算出放电的位置和首次发生闪电的时间。

A crowned gear may be shaved by a modified plunge shaving cutter which is designed and manufactured based on the one to one mapping principle that means the axial modification of the cutter corresponds that of the crowned gear to be shaved. The calculation algorithm is given in dissertation.

考虑到目前国内的加工条件,本学位论文通过构造标准渐开螺旋面,令两齿面在中截面上节圆处重合,并采用计算机数值算法,求解了径向剃齿刀相对渐开螺旋面在齿形、齿向的修形量,从而使径向剃齿刀可以采用普通剃齿刀磨床加工。

The orthographic projection of thread will produce when the axis of thread is vertical to optical axis, which can reflect the real shape and size of thread, but the experiment and calculation show that the spiral line of thread will shield part of the teeth contour in projecting plane, and so to cause a projection with flaw.

当线的轴是垂直的时候,线的正字法发射将会生产对光学的轴,能反映真正的形状和线的大小,但是实验和计算表演线的螺旋形线将会在突出的飞机中保护牙齿等高线的部份和如此用缺点引起发射。

Expression methods and growing rules accord with self-organization way are studied for binominal curves and surfaces such as arc, spiral, helicoid, ellipsoid and fractal curves such as snow-form curve.

研究了圆弧、螺旋线、螺旋面、椭球面等常规二次曲线/曲面以及雪花曲线等分形曲线的自组织表达和生长规则,实现并验证了其生长算法。

Leaves spirally or imbricately arranged, ovate, ovate-lanceolate, or lanceolate.

螺旋的叶或重叠安排,卵形,卵状披针形,或披针形。

The fibrils of three levels,Which were macrofibrils of several tens micron in diameter,fibrils feW micron and microfibrils about 0.3 micron,were observed simultaneously with banded texture usingpolarized microscope.After annealing,fibrils in different levels relaxed to differentmorphology.Macrofibrils still oriented along shear direction,but fibrils relaxed to helical form,and microfibrils relaxed to waveform therefore the banded texture canbe seen.The smaller the diameter of fibrils was,the more easily the fibrils relaxed.Ori the other hand,the banded texture decoration of annealed unoriented filmsrevealed directly the distribution of directors within and out of domains and thevariation of directors on boundaries.

微纤分三个层次,即直径分别为数十微米的微纤束、数微米的微纤和0.3微米的亚微纤,退火后三个层次的微纤松弛成不同的形态,微纤束仍笔直沿剪切方向取向,微纤松弛成螺旋形,而亚微纤松弛成波浪形从而观察到条带织构:微纤直径越小越易松弛,另一方面,非取向态织构退火后由亚微纤形成的条带装饰结果直观地揭示了微区内外分子指向矢的分布和它们在边界上的变化。

Excellence' because of our quality products customers choose us, the Company specialized in the production of various models Bending Machine, Flanging Machine, red shear, such as mold and all kinds of specifications granulator plastic spiral hob, shears blade, cutting the paper under the sub-circular knife, the various-shaped cardboard box with its tools, cross roller knife, spiral cutter, knife mill.

精益求精'用户因我们的优质产品而选择我们,本公司专业生产各型号折弯机,折边机,冲剪机等模具及各种规格塑料螺旋切粒机滚刀,剪板机刀片,切纸分纸上下圆刀,各形号纸箱用刀具,横切辊刀,螺旋刀,轧钢刀。

Hongye Machinery Factory production of machinery and equipment are widely used in metal processing production: Qi mouth edge, flat crimping, both inside and outside vertical crimping, pressure Blankholder bones, stretch forming, anti-side, crossed, metal ring inside the edge volume, Hemming, sand at the end, both inside and outside the sanding, the appearance of Belt Line, both inside and outside the skin polished, red-shaped punching, vol cylindrical, straight seam welding, weld line pressure, girth welding, pressure ring weld, sheet metal coated oil, pressure spiral teeth, cars spiral teeth.

鸿业机械厂生产的机械设备广泛用于五金制品加工生产:齐口切边、平面卷边、垂直内外卷边、压边压骨、拉形、反边、划线、金属圈卷内边、包边、砂底、内外砂光、外表砂带线、内外去皮抛光、冲形冲孔、卷圆筒、直缝焊、压直线焊缝、环缝焊、压环形焊缝、金属片涂油等、压螺旋牙、车螺旋牙。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。