颗粒高速碰撞问题是冲击动力学领域中的一个重要研究方向。
Particles impacting at high velocity is a very important research direct in impact dynamics field.
明年的型号将配备多普勒声纳，以帮助避免与未察觉该设备的游泳者发生高速碰撞。
Next year’s model will have a Doppler sonar to help it avoid high-speed collisions with unsuspecting swimmers.
这些迷你车的制造商们说，这些测试模拟了在路上十分罕见的高速碰撞。
Automakers who manufacture the small cars said the tests simulated ah igh-speed crash that rarely happens on the road.
表明遵循几何规划形式的超高速碰撞模型，可以进行综合非线性设计优化。
Results show that global nonlinear design optimization can be performed for hypervelocity impact models that follow the Geometric Programming form.
概述了超高速碰撞对空间飞行器的破坏效应，简述了防护超高速碰撞的薄板屏蔽方法。
Both the damage effectives of hypervelocity impact on spacecraft and the thin plate shield method for hypervelocity impact resisting are outlined.
文中给出的典型算例说明本方法对各类高速碰撞问题的数值模拟计算是十分有用和成功的。
Typical examples are given to show that the program which is build up by this method is very useful and successful in numerical simulations of hypervelocity impact.
为了测量超高速碰撞过程中产生瞬态弱磁场的磁感应强度，设计了弱磁场测量的线圈系统。
A coil measurement system has been designed to measure the magnetic induction intensity of the weak magnetic field generated by hypervelocity impact.
以运动学的坐标转换理论为基础，对汽车方向管柱在高速碰撞试验中的位置和姿态进行了动态分析。
Based on kinematic coordinates transform theory, the dynamic analysis of position and gesture of the automobile steering hub column in the high-velocity collision test was made.
对SPH方法中的人为粘性和人为热流的作用作了数值考查。还提供了一个三维高速碰撞现象的算例。
As an example of the application, the results of numerical simulation of a 3 dimensional hypervelocity impact problem are given with some existing problems of SPH method.
针对以往研究齿轮系统拍击振动方法存在的不足，提出了齿轮系统拍击振动中高速碰撞和低速接触的概念。
The concepts of high speed impact and low speed contact in gear rattling were proposed firstly in accordance with the disadvantages of the present methods.
这一估计只代表科学家从2009年10月9号美国国家宇航局飞船在南极附近高速碰撞所激起的碎片羽状物中看到的。
The estimate represents only what scientists can see from the debris plume that was kicked up from the high-speed crash near the South Pole by a NASA spacecraft on Oct. 9, 2009.
对铜粒子团簇超高速碰撞铜无限大基体，本文选用了一种更可靠的原子间作用势和一种更合理的判定乱序原子方法。
For Cu cluster impacting an infinitely large Cu substrate, a reliable potential and a reasonable identification method of displaced atoms are adopted.
据称，1998年在德国Eschede发生的ICE列车高速碰撞，就是因为车轮不圆或缺陷造成车轮轮箍故障引起的，事故造重大伤亡。
An "unround" (out of round) or eccentric wheel is alleged to have led to wheel tyre failure of a German ICE at Eschede in 1998, causing a high-speed crash with heavy loss of life.
由于司机在方向盘上打盹往往会造成高速行驶引发车祸，因为在发生碰撞之前司机们还来不及踩刹车，这也增加了车祸死亡或者严重伤害的几率。
Crashes caused by drivers falling asleep at the wheel tend to be high-speed ones, as they do not brake before crashing, increasing the risk of death or serious injury.
波林在航空公司的工作令他了解高速中碰撞时所发生的状况。
Bohlin's work with planes showed him what could happen in a crash at high speed.
这些被离子化的分子如果再次与电子结合，或彼此发生碰撞，其所产生的能量就会把分子裂解成高速飞行的原子而进入太空。
When the ionized molecules recombine with electrons or collide with one another, the energy released splits the molecules into atoms with enough speed to escape.
7月20日，瑞秋一家行驶在高速路上，突然遇上两辆卡车相撞，并导致13辆车连环碰撞。
Then, on July 20, as Rachel was riding with her family on the highway, two trucks collided and created a 13-car pileup.
分析了高速滚子轴承中保持架的复杂受力，建立了保持架的碰撞动力学模型和保持架的动力学运动方程。
The complex forces on cage of the high - speed cylindrical roller bearing has been analyzed, and the collision dynamics model and dynamics motion equation of the cage have been set up.
本论文以此为前提，开发研究了一套高速公路追尾碰撞预防报警系统。
Based on this premise, a suit of Rear-end Collision Warning System is studied and taped in this paper.
在实车碰撞试验中，利用高速摄影技术是获取试验数据的重要手段之一。
During vehicles impact test, high-speed photography is one of the most important methods to gain test data.
本发明公开了一种降低噪音的压缩机，避免滑套高速滑向推力片产生剧烈碰撞而发出较大噪音。
The invention discloses a denoising compressor, which avoids large noises caused by the horrendous collision arising from that a slide bushing slides to a thrust piece at a high speed.
通过分析碰撞试验取得的高速影像及加速度曲线，掌握了碰撞防护装置的有关技术参数。
The authors have obtained the correct parameters of the collision-proof equipment by analyzing the high speed video pictures and acceleration curves.
研究超高速斜碰撞所形成的二次碎片云的分布特性。
Investigates the distribution characteristics of secondary debris clouds generated during a hypervelocity oblique impact.
喷雾降尘的机理是利用高速运动的水雾粒对漂浮在空气中的粉尘颗粒碰撞、截获、捕集，最后凝结沉降。
Spray dust mechanism is the use of high-speed movement of the floating mist particles to intercept, capture, and finally condensed dust particles in the air.
本文应用了隐马克夫模型进行高速公路上的车辆碰撞预测。
This paper has used the Hidden Markov Model to predict the collision on the expressway.
采用高速气流碰撞法对TATB进行细化，借助SEM技术对超细TATB粒子形貌进行表征。
The ultrafine TATB particles are prepared by high-speed gas impacting method and the shape of ultrafine particles is detected by SEM technique.
针对高速公路广泛使用的波形梁半刚性护栏建立“护栏—汽车”碰撞体系耦合动力学有限元模型，研究护栏立柱对汽车绊阻效应的形成过程，提出解除护栏立柱对汽车绊阻效应的一种有效方法。
A coupling dynamics FEM model of guardrail and vehicle crashing system is built in this paper in accordance with the W-beam semi-rigid guardrail used widely in express way.
介绍了一种依据蚁群通信原理实现的高速公路汽车追尾碰撞预警系统。
A kind of automobile rear-end early warning system was introduced, which is based on Ant Colony communication principle.
介绍了一种依据蚁群通信原理实现的高速公路汽车追尾碰撞预警系统。
A kind of automobile rear-end early warning system was introduced, which is based on Ant Colony communication principle.
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