查询词典 curvatures

The rake face normal curvatures of a ball nose end mill in normal direction and chip flow direction are analyzed and calculated in detail in this paper.

采用微分几何中的曲率分析方法对球头立铣刀前刀面上端刃法线方向和切屑流出方向的法曲率进行了详细的分析计算，并给出了切屑流经前刀面时卷曲半径的计算方法。

The torsion of the intersection curve of two surfaces in R3 can be expressed by geodesic torsions,normal curvatures and the angle between surfaces.

即两曲面交线的挠率可以用两曲面的测地挠率、法曲率及两曲面的夹角表示。

Based on the analysis, made qualitative calculation of the various curvatures of the straightening process applying elastoplastic bending theory. The method of determining curvature of the inverted bending curvature of the axis of being straightened pipe is put forward with which straightening quality is guaranteed in the first place and solved the key problem that have not been solved for a long time. All of these provided theorial basis for the design of bending pipe straightening roller. and setting down of adjusting rule.

在此基础上，运用弹塑性弯曲矫正理论对管材矫正过程中的多次弹塑性弯曲矫正的各曲率进行了定量计算，在保证矫正质量的基础上，对管轴反弯曲线曲率的确定进行了研究，解决了弯管辊形设计中久未解决的最为关键的问题，为弯管辊形矫正辊的合理设计和矫正规程的制定提供了理论基础。

Methods:Thirty extracted mandibular first premolars with only one root canal and root-canal curvatures between 13° and 38.5° were divided into three groups.

材料与方法：选用山东大学口腔医学院口外门诊拔除的下颌第一前磨牙(单根管、根管弯曲13°～38.5°)。

Lumbar support alone cannot naturally restore spinal curvatures in a body that is seated in an upright position, especially as people are more likely to sit in upright or forward-leaning postures than to recline while working at the computer.

腰椎间盘突出症的支持，不能单靠自然恢复脊柱弯曲度的机构，是坐在一个堂堂正正的地位，特别是随着人们更有可能坐在直立或前瞻性倾姿势比recline工作，同时电脑。

The embeddable points are selected according to their curvatures firstly, and then the binary watermark image is divided into two parts, respectively, for spatial and frequency insertion.

根据曲率选择合适的嵌入点，将二值水印图像化分成两部分，分别嵌入到待嵌入点的空间域和变换域。

METHODS:Thirty-eight ametropia patients(76 eyes)were fitted with RGPCL based on their subjective refractions,corneal curvatures and diagnostic fitting.

对38例(76眼)来我院验配RGPCL的患者，根据其屈光度、角膜曲率和配适情况选择合适的镜片。

Results showed differences in all curvatures of proximal femoral canal between AVN and FNF groups.

结果为AVN与FNF的近端股骨髓腔之内、外、前与后侧曲线形状有差异，尤其是内侧的中、下区段曲线、外侧的上、下区段及前侧的中段曲线。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。