查询词典 distortion angle

A new image registration algorithm is presented based on contour-feature, which involves extracting the contour of the image, calculating the normal angle of each contour point and proceeding normal angle histogram statistics, then estimating quickly the rotation angle between two images by circular correlation of normal angle histograms.

提出了一种新的基于轮廓特征的图像配准算法，首先提取图像轮廓并计算每个轮廓点的法向角，然后对轮廓点法向角进行直方图统计，通过对两幅图像的轮廓点法向角直方图进行圆周相关计算便可快速估计出两幅图像所存在的旋转角度。

Results the safe angle range for needling yamen (gv 15) were: 16.27±7.68～29.46±7.23 degrees for males and 18.46±4.81—33.61±7.83 degrees for females; the danger angle of upward oblique insertion was negatively correlated with the extension of bowing and raising the head, that is, the larger the angle of backward raising the head, the smaller the range of danger angle of needling into the great occipited foramen.

结果：得出哑门穴安全针刺角度，男性为16.27±7.68～29.46±7.32度，女性18.46±4.81～33.61±7.83度。且向上斜刺的危险角度范围与头颅俯仰程度呈负相关，即头颅后仰角度越大，刺入枕骨大孔的危险角度范围越小。

With the increase in tempo, the angle of hands away hail no significant change, but in 4 tempo for 3 athletes, their angle of entrance always greater than their angle of run, and their left angle of hands always were greater than right, it means that their left extent of hands away were longer than their right.

转桨角的变化幅度不大，但在四种桨频下，3名运动员的入水角都大于出水角。3名运动员的左转桨角比右转桨角大，意味着3名运动员左手桨叶的划幅比右桨大。

The flume experiments of equilibrium concentration in water and slurry have been done to determine the function between the kinetic friction angle and internal friction angle. The equilibrium concentration of debris flow calculated by the function between the kinetic friction angle and internal friction angle is quite close the equilibrium concentration data of debris flow in field.

通过实验确定以颗粒浓度和颗粒最大体积浓度为主的动磨擦角与静磨擦角的函数关系式，以该关系式计算的泥石流运动的均衡浓度与泥石流原型资料很接近。

"Mathematics on the corner there is an obtuse, straight angle, acute angle, right angle, the students, what angle ah?"

"数学上的角有钝角，平角，锐角，直角，同学们，还有什么角啊？"

By range analysis of the orthogonal designing scheme, the sequence affecting pump head and efficiency of the four main factors were obtained, the number of short-blade, the deflection angle, the bias angle in peripheral direction, the radial inlet position and the number of short-blade, the radial inlet position, the bias angle in peripheral direction, and the deflection angle, meanwhile the best design scheme of short-blade was given.

通过对正交设计方案结果的极差分析，得出各因素水平对扬程和效率影响的主次顺序分别为短叶片数、偏转角、周向偏置度、径向进口的相对位置和短叶片数、径向进口的相对位置、周向偏置度、偏转角，从而得到超低比转速高速离心泵复合式叶轮短叶片的最佳设计方案。

This paper briefly analyzes wedge angle and function of wedge angle of the Archimedean out star wheel overrunning clutch, discussing effect of polar angle、roller radius、structure size of the overrunning clutch、wear on wedge angle.

简要分析了阿基米德螺线型外星轮式超越离合器的楔角及楔角函数，并讨论了极角、滚子半径、超越离合器结构尺寸、磨损等因素对楔角的影响。

In order to meet the demand of precise measurement and applications, the principle of phase retardation with oblique incident angle is expounded, based on the total-reflection phase transformation theory of the phase retardation. By means of Fresnel rhomb, the variation law of the phase retardation for rhomb-type retarder with the incident angle is analyzed. The result indicates that incident angle has obvious influence over the phase retardation.The phase retardation is sensitive to the incident angle, and also has close correlation to incident position of the incident ray, which is asymmetrical to the incident position of the incident ray.

为满足精确应用和测量的需求，从相位延迟的全反射相变理论出发，阐述了斜入射相位延迟原理，以菲涅耳菱体为例，分析了菱体型相位延迟器相位延迟随其入射角变化的规律性，结果表明：当光线非严格准直时，光的入射角对相位延迟量有明显的影响，延迟量不但对入射角变化敏感，而且还与入射光线的入射方位密切相关，呈不对称形式。

The purposes of this study were (1) to compare the differences of the transverse craniofacial morphology between the adult high-angle and low-angle facial skeletal types, and (2) to correlate the width measurements with data obtained from PA roentgenogram. Thirty-seven adults, 18 to 22 years old, with varied vertical facial types were separated into two groups: seventeen high-angle, twenty low-angle facial skeletal types.

高低角骨面型是垂直向发育异常所造成的两种极端骨面型，近年来逐渐成为学者们研究的热点，目前的研究大多是基于头颅侧位X线片从矢状向和垂直向进行比较，而未查及高低角骨面型横向颅面结构的系统性研究。

Methods: The sexes, ages, heights, weights, painful characters and accompanied symptoms were recorded, and the femoral angle, tibial angle, femorotibial angle, joint space angle, and the height and width of condylus medialis and lateralis ...

选取 2 9例(40膝)骨关节炎患者，记录被检查者的性别、年龄、肢别、身高、体重、疼痛性质、伴随症状等，测量患者股骨角、胫骨角、股骨胫骨角、关节间隙角，以及股骨内侧髁、外侧髁高度和宽度并与 19例正常膝关节进行比较。

This matter overthrew all basises I learned from Sunday school .

这件事把我从周日学校学到的所有道理都颠覆了。

It's one of the cruel ironies of aging: if you want to remember your favorite restaurants, the less you should eat at them.

这是一个老化的残酷讽刺：如果你想记住你最喜欢的餐馆，你应该更少吃到它们。