转角

Max:I think theres a telephone booth around the corner.

麦克斯：我想转角那边有一座电话亭。

We study a polygon representation composed by the vertex angles and ratios of adjacent edge lengths, which is invariant to geometric transformations such as translation, rotation and scaling. The polygon is globally represented by a scale-invariant intrinsic matrix.

提出了由顶点转角和相邻边长比例构成的多边形伸缩内在量表示的方法，多边形从整体上由一个伸缩内在矩阵来表示，该表示方法具有平移、旋转和伸缩等几何不变性。

Considering the characteristics of the push-pull air-cushion vehicle, this paper gives the definition of pace steering angle, that is taking the actual steering angle of the moving platform in one pace circle as a pace steering angle.

针对上述问题，结合推拉式气垫车的运动特点，文章给出了单步转向角这样一个定义，即以车辆的一个步进工作循环下运动平台的实际转角作为一个单步转向角，气垫车的实际转向角通过各单步转向角累加而成。

NXL Series strain clampis suitable for distribution wire up to 10kV,fixing the aerial insulation aluminium conductor or naked aluminium conductor on the rotate angle or insulator of terminal strain pole, and then fixing and tighting the aerial conductor ,insulation cover and strain clamp are used together.

NXL系列楔型耐张线夹适用于10kV及以下配电线路中，将架空绝缘铝导线或裸铝导线固定在转角或终端固定在转角或终端耐张杆的绝缘子上，从而将架空导线固定或拉紧，绝缘罩与耐张线夹配套使用，起绝缘防护作用。

Firstly, this paper discusses the development actuality of the research on double-front axle steering system and power-train of automobile. Based on the structure of the design experiences from others, the kinematics formula of double-front axle steering system is fetched, and the mathematical model of optimization design of double rocking arms mechanism and steering trapezium mechanism is established by space geometry method. Considering the difference between the real steering angle from wheels and the ideal steering angle from the ideal formula as the objective function, the optimization design method of double-front axle steering system is presented.

本文首先论述了国内外对汽车双前桥转向系统和动力传动系统研究的发展状况，在总结前人研究设计经验的基础上推导出汽车双前桥转向系统运动学关系，运用空间几何法建立了双前桥双摇臂机构及转向梯形机构优化的数学模型，以转向轮实际转角值与理想公式求出的理想转角值之间的误差达到最小为目标函数，提出了双前桥转向系统参数的优化设计方法。

By adopting the center arm six-bar steering mechanism and using the analytical method to synthesize the four-bar mech...

采用中心臂六杆转向机构，由解析法综合出符合要求的四杆机构，再将其绕中间位置镜像，并确定适当调整各杆的位置，使其在给定输入转角范围内，输出转角值尽可能接近阿克曼原理计算的输出值，使车辆获得良好的转向性能。

The ADAMS software and kinematics theory are applied to design the hydraulic steering mechanism of the SGA3550 track, with bottom angle of steering trapezoid and the trapezoid arm length as design parameters, minimum error between theoretical steering angle and practical one as objective function.

利用动力学分析软件ADAMS，从汽车转向运动学出发，对SGA3550自卸式汽车全液压转向机构进行设计。以汽车转向时实际转角与理论转角的误差最小为目标函数，以转向梯形底角和梯形臂长为设计参数，对转向机构进行了优化设计。

For improving the maneuver stability,safety and decreasing the tire wear,the combination of the optimization software,modefrontier and msc.adams,is applied to design the steering mechanism,with bottom angle of steering trapezoid,arm length,kingpins distance and axles distance as design parameters,transmit angle as constraint,minimum error between theoretical and practical steering angle as objective function,and simulated annealing as the optimization algorithm.

为了提高汽车操纵稳定性、安全性及减少轮胎磨损，将数值优化软件modefrontier同机械动力学仿真分析软件m sc.adam s集成，以转向梯形底角、转向臂长度、主销中心距和轴距为设计参数，传动角为约束，以转向时内轮实际转角与理论转角的误差最小为目标函数，采用模拟退火算法对转向机构进行最优化设计。

Based on the definition of benchmark angle and compensation angle,the algorithm of roll angle of projectile in fire plane is brought out and the calculating error is analyzed.The simulation is carried out for the swing of projectile and the measurement of geomagnetic signal error.

将弹丸的滚转角分解为基准角和补偿角，给出了处于射击平面内的弹丸滚转角解算方法并进行了误差分析，针对弹丸的摆动及地磁信号测量误差进行了仿真。

Through the computer simulation,analyzing the effects of pitch angle,roll angle,roll angle rate,sink rate,angle of attack and side angle on the track of ejection and save life height .

为提供弹射座椅多模态控制输入参数选择的理论依据，通过计算机仿真，比较分析了俯仰角、滚转角、滚转角速度、下沉率、迎角、侧滑角等弹射启动时飞机状态参数对弹射轨迹和安全救生高度的影响。

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。