内旋转

An image conic can be the projection of either a planar conic or silhouette of a conicoid. We show that at least three images, taken from the same position with different camera orientations, of two planar conics, or two conicoids, or one conic and one conicoid, are needed for the calibration, and a closed-form solution can be obtained. Our new conic based calibration technique requires no knowledge of camera's orientations, and relies solely on image correspondences.

在不同的方位拍摄三幅或三幅以上图像，每幅图像至少包含两个空间平面二次曲线、或两个二次曲面、或一个平面二次曲线与一个二次曲面的投影，利用图像之间的二次曲线对应关系，可以确定摄像机的内参数矩阵，同时可以获得摄像机不同方位之间的旋转矩阵。

Two kinds of thermal boundary conditions were considered in this study. One was the isothermal rotating object and the other was the adiabatic rotating object. The motionless object was set in rotation at time t=0 with a constant angular velocity. The effect of natural convection was neglected.

本文假设容器内流体的普朗特常数等於5，并假设流体流动属於层流状态，模拟过程中考虑两种不同的边界条件，一为等温旋转体，另一为绝热旋转体；在不同的边界条件下，物体於时间t = 0时开始旋转同时固定角速度，并忽略自然对流。

The results show that the dynamic force and thermal conditions of forming the squall line were the convergence of cold air from Mongolia cold vortex and the warm-humid air current before west trough to form the convectional system at moderate 3 scale; the rapid development and southward shift of MβCSs was caused by a strong unstable stratification and the shear line of suitable vertical wind; a heavy hail occurred after a vertical liquid water content over 65 kg/m^2 was firstly measured by weather radar; a sharp reduction of VIL indicates that a disaster strong wind will occur at soon.

结果表明：蒙古冷涡旋转下甩冷空气与西风槽前的暖湿气流汇合，形成中p尺度的对流系统是飑线形成的前期动力和热力条件；强的不稳定层结和合适的垂直风切变导致了MβCSs的迅速发展和南压；在天气雷达首次观测到垂直液态水含量值超过65kg/平方公尺后2h内出现了大冰雹；垂直液态水含量的突然减小标志着灾害性大风的开始。

When camera is rotated around its coordinate axis, the formulas of camera intrinsic parameters are obtained by the algebraic method.

当摄像机绕其坐标轴旋转时，运用代数方法给出了计算内参数的公式。

The numerical results were proved to be reliable by comparing with some published experimental data. The results show that, when only Coriolis force is in effect by omitting the centrifugal buoyancy force, the flow in the cavity is axi-symmetrically stable, the Coriolis force is a kind of resilience, and does not cause flow unstably.

研究结果表明：在哥氏力的单独作用下轴向通流旋转盘腔内的流动基本上是稳定的三维轴对称结构，即使有轻微的径向或周向振动发生，由于哥氏力是恢复力，对其有抑制作用，因此振动会随着流场的发展逐渐消失。

There is no non-union or delayed union or fat embolism or malformation of rotation and crispation.

未发生脂肪栓塞、骨折延迟愈合、不愈合、肢体短缩、髋内翻以及旋转畸形。

Put die on the die seat, adjust cross- plate and transducer draging plate of up and down, so that the steel needle can be inserted into die hole to adjust the pressure of weight, and then place the abrasive, open power switch of ultrasonic and rotating switch of die seat.

模具放在模座上，调节十字脱板及换能器上下拖板，使钢针插入模孔内，调整砝码压力，然后放上磨料，打开超声波电源开关和模座旋转开关。

After analyzing the magnetic field distribution of arbitrary shape coil, we study the distribution of analytical model of traveling magnetic field, rotating magnetic field and electromagnetic force in difference case in the electromagnetic crystallizer.

2在分析任意形状线圈的磁场分布基础上，在电磁结晶器内，研究了不同情况下行波磁场和旋转磁场及其电磁力的分布解析模型。

Spinning balls of fire act as nuclei within the dodecahedron cell bodies.

火行为的原子核旋转球内的十二面体细胞体。

Has provided the precise automatic weighing and matches feeding system for the material,the high yield extruder,the precise double spiral plane piling up complex head,the closed-loop control auto-matic vane,has the independent patent in cold system,there is exquisite steadily soaks device,the rotator ,the electronics corona process.

配备了精密的自动称量和配送供料系统，高产量挤出机，精密双螺旋平面叠加复合机头，闭环控制的自动风环，拥有自主专利的内冷系统，精巧的稳泡机构，旋转器、电晕处理器等。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。