查询词典 trajectory

The paper analysis the ballistic trajectory character of the smoke ball and study the air resistance coefficient of the smoke ball. Based on the analyze, the paper establishes the terminal control model and uses the model to calculate and analysis.

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。

Air-cast smoke ball ; ballistic trajectory character ; air resistance coefficient ; terminal control

空抛式发烟弹；弹道特点；空气阻力系数；终点控制

Be only my sorrowfulness having one kind of nowhere to hide self in the heart , the affairs of human life hardship , confusion of the human society, many things being unable to forget , many have no way to make an explanation over , the destiny making fun of, still have many vexation having no way to divert oneself from , flowing down in heart is one kind of trajectory.

只有我sorrowfulness有一种没有藏身之自我，在心脏，事务人类生活的困难，混淆了人类社会，很多事情无法忘记，许多人都没有办法作出解释，命运的玩笑，仍然有很多烦恼有没有办法转移自己从流下来在心脏是一种轨迹。

This is showed on the image of the particles' trajectory: when the opening-size increase, more particles are in the central region of the flow. The change of conveyer belt speed impact on the velocity of the particle directly.

这在颗粒的运动轨迹图象上表现为：开口尺寸增大，更多的颗粒处在流动的中心区域传送速度的直接影响了颗粒的运动速度。

The technical movements under study include the spiker's run-up and footwork, speed of attack, height and trajectory of the spike, and point of impact with the ball.

本文通过大量的训练实践和实战，从理论上系统地总结了我国运动员研制的四号位平拉开扣球技术的要领，诸如助跑路线和步法、速度、弧度和高度以及扣球击球点的选择等方面的问题，并提出了针对不同类型的运动员如何训练并掌握这项技术的方法。

This paper using trajectory planning based on spline function,rigid robot Lagrangian kinetics set up system mathematical model.

论文运用了基于插值样条函数的轨迹规划法，机器人手臂拉格朗日动力学方程建立了系统数学模型，为自动包装机机器人手臂系统设计提供了新思路。

A strip block is used instead of the ball to eliminate the measurement error caused by the trajectory deviation of the ball when passing the photo gate.And a spring clip is used to replace the electromagnet to eliminate the effect of remanence.

在单摆法中，要求忽视细线的质量且线长及小球尺度相比很大，把小球看成质点，并且小球的摆幅不能超过5°[1~3]；在自由落体法中，一般是用小球作为自由落体，但小球通过光电门时，往往不是小球的质心遮光计时，另外，钢球是用电磁铁通电后吸住的，由于断电的瞬间，电磁铁有剩磁，钢球不立即下落，并且钢球应吸在电磁铁的中心处，这些因素都会影响重力加速度的测量。

First, in the view of engineering cybernetics, according to the principle of the inclination control, the wellbore trajectory control system based on steerable tools is analyzed.

本文立足于井眼轨道控制技术研究现状，研究重点集中于井眼轨道控制工具的设计研究和井下控制机构的理论分析和探讨。

Usually the frame size and the frame step are fixed when computing the fractal dimension trajectory.

通常语音信号的短时分维轨迹是在固定帧长和帧移下计算的，这样得到的分维轨迹可能无法准确反映语音信号的分形特征。

The classical analog of this state of motion is a straight-line trajectory back and forth through the nucleus.

这个运动状态的经典对应，是通过原子核来回运动的直线轨道。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。