轨迹

He jumped down to the tracks and ran some 40 feet toward the body lying on the rails.

他跳下来的轨迹和运行约40对上卧轨机构英尺。

On the track of my life, I'm entering the zone without joys.

在生活的轨迹上，我已经进入了那个无趣的区域。

In order to use electron beam in brazing of precise structures and thermo-sensitive materials,accommodating every kinds of curve brazing seams,a vacuum electron beam brazing temperature closed loop control system was developed using PID controller,electron beam scanning track editing and on-line adjusting technologies,real-time acquisition and handling of brazing temperature.

为了将电子束应用于精密构件及热敏感性材料钎焊，以适应复杂形状曲线钎焊缝的要求，采用电子束扫描轨迹编辑及在线调节、钎焊温度实时采集及PID控制器构建真空电子束钎焊温度闭环控制系统。

Simulation results show that the performance of the open-loop control system is poor when the model parameters change. The second system is designed via feedback linearization method. Since the path signal is introduced as feedback signal, the designed closed-loop control system improves the system robustness to the parameter perturbation. Simulation results verify that the closed-loop control system shows better performance than the time optimal control system.

前者侧重于时间最短的控制性能，但由于是开环控制，当出现参数摄动时，系统的性能会受到较大影响；后者由于引入了飞艇轨迹的反馈信号，因而相对提高了系统对参数摄动的鲁棒性，计算量较小，并且仿真结果证实了这种闭环系统设计方案可以抑制参数摄动带来的影响，与时间最优开环控制系统相比，显著提高了控制精度、改善了控制效果。

The trackball mouse was the most inefficient input device for both indices of operation complete time and operation mistake. No significant performance difference was found between big mouse and small mouse.

轨迹球不管在操作完成时间与操作错误次数皆为最没有效率的输入设备，而滑鼠的大小未造成使用绩效的差异。

Each fringe is the locus of all points in the film for which the optical thickness is a constant.

每一个条纹就是膜上一切光学厚度为常数的点的轨迹。

This balance creates optimal trajectory and a large sweet area.

这种平衡创造最优轨迹和一个大甜区。

A scheme of time optimal trajectory planning for robot manipulators based on fuzzy genetic algorithm is presented in this paper.

提出一种基于模糊遗传算法的机械手时间最优轨迹规划方案。

For the real-time optimization control of this class of systems,a critical problem is how to implement fast solving the optimal trajectory,so as to meet the real-time demand.

对于这类系统的实时最优控制来说，一个最为关键的问题就是如何实现快速求解最优轨迹，以满足实时性要求。

By using PSO method, the optimal control input signal is obtained and the optimal trajectory of the nonholonomic motion planning can be found.

利用粒子群算法确定最优控制输入信号，得到了系统非完整运动的优化轨迹。

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。