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In the condition of definitive structural parameter and part of operative parameter of impulse engine, the effect of controlling force of impulse engine on correct trajectory is analysed. The number of total layer, impulse of each impulse engine and fire interval are determined when the correct ability and flight stability are satisfiable.

在确定了脉冲发动机的结构参数和部分工作参数的情况下，分析了脉冲发动机控制力对修正弹道的影响能力，确定了在满足修正能力及飞行稳定性的条件下脉冲发动机的总层数、单冲和点火间隔。

On the morphologic CT scan, the angle and length of the transarticular screw trajectory, the distance between the tip of the screw and the vertebral artery and the sagittal safety angle were measured.

通过CT重建，测量经关节固定螺钉的角度、长度、螺钉尖与椎动脉的距离，并确定经关节螺钉矢状面的安全进钉角度（sagittal safety angle，SSA）。

India's top officials are increasingly self-congratulatory about the country's growth trajectory.

印度的高级官员对印度的增长轨迹越来越有自吹自擂的势头。

The matching problem of terminal maneuver and self-guidance trajectory of anti-ship missile is analyzed.

1引言随着舰载防空武器系统的不断发展，反舰导弹的突防问题面临着日益严峻的挑战。

A dynamic active contour model for spatio-temporal trajectory is proposed to track robotic manipulator motion in image sequence space.

针对机械手运动在图像序列空间的轨迹分布，提出一种基于时空轨迹线的动态Snake跟踪模型。

To improve the manufacturing capability of shoe tree in our country and enhancethe market competition, this paper studys a new method of motion control formachining shoe tree with NC machinetool. This paper discusses a method ofoptimizing the transmission system ,analyzing the stability of Servo System andascertaining every gains of servo system through dynamics emulation, analyzing themotion control of velocity and acceleration, programming to build NC programautomatically and developping a trajectory emulation software to emulate the tool'smachining movement.

为了提高我国鞋楦制造水平，增强产品市场竞争力，本文研究了鞋楦数控加工运动控制方法；对鞋楦机床的数控进给传动系统进行了优化设计和载荷匹配分析；分析了伺服控制系统的稳定性，并通过动态仿真确定伺服系统各环节的增益系数；分析了鞋楦加工运动速度和加速度控制方法；编软件自动生成数控程序；最后开发了鞋楦数控加工仿真软件。

This circular visual trajectory thanmerges into the vision of celestial infinity portrayed in the upper part of thedial and symbolised by a silicium plate bearing the NGC 1300 nebula, along witha day/night disc rotating against a star-studded backdrop.

环形的视野消失于表盘上方无穷的天际，此处带有象征NGC 1300星云图案的硅片，硅片上还带有在星空背景下旋转的昼/夜显示盘。

Simple integral model is one of the most useful models but there are two fatal shortcomings in the model. One of them is the model do not predict the trajectory and dilution ratio simultaneously.

在众多的抬升模型中，应用最广泛的是简单积分模型，简单积分模型的主要缺陷是，它不能同时准确计算烟云抬升高度和烟云扩展率。

In consideration of the problem of drill pipe bending steering in radial horizontal well drilling, ANSYS software is used to simulate its major influencing factors, such as slideway trajectory curvature, clearance, working pressure, roller shape and position and thickness of drill pipe by establishing a finite element model for the bending steering mechanism.

针对径向水平井钻进中钻杆弯曲转向前进运动困难的问题，通过建立弯曲转向机构仿真有限元模型，对其主要影响因素：滑道轨迹曲率、间隙、工作压力、滚轮形状与位置和钻杆壁厚等用ANSYS软件进行仿真研究。

The paper analysis the ballistic trajectory character of the smoke ball and study the air resistance coefficient of the smoke ball.

文中通过对空抛式发烟弹弹道特点和空气阻力的分析，建立了基于控制空抛式发烟弹引信作用时间的终点控制模型，并运用模型进行了计算分析。

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。