查询词典 rocket-propelled

A technician straps legendary test pilot Scott Crossfield into the cockpit of the X-15 rocket plane before an early test flight. The X-15's maiden flight occurred on June 8, 1959,during which Crossfield was carried aloft in his sleek, black rocket plane beneath the wing of a B-52 from NASA's Flight Research Center.

在一次早期试飞中，一名技术专家用飞行皮带把传奇的试飞员斯科特克罗斯菲尔德固定在X-15火箭推进式飞机的小驾驶室中。1959.6.8，X-15进行了处女航，它挂在一架B-52超级空中堡垒的机翼下从NASA德莱登飞行研究中心起飞，克罗斯菲尔德驾驶着黑色光滑的火箭推进式飞机完成了处女航。

Hybrid rocket motors keep the features of low cost,high reliability,and no hazards.In recent years, there has been a resurgence of interest in the development of hybrid rocket engines for advanced launch vehicle applications.

由于混合火箭发动机具有高安全性、高可靠性和低成本等突出优点，最近几年又重新成为了火箭推进技术的重要发展方向之一，具有广泛的应用前景。

The high thrust combined with a short burn time provides for very quick acceleration of the rocket, which is beneficial for providing rapid aerodynamic stability of the rocket vehicle after departing the launch guide-rod.

高推力结合在短期内燃烧时间规定非常快，加速火箭，这是有利于提供快速气动稳定性的火箭车后离开发射指南棒。

In comprehensive consideration of flight vehicle system constraints,trajectory design,aerodynamic characteristics and solid rocket booster design,a series of system/aerodynamics/trajectory/solid propellant integration design analysis and optimization models for solid rocket booster of flight vehicle were derived.

综合考虑飞行器总体设计约束、轨道设计、气动特性与固体火箭助推器设计间相互影响的情况下，建立了飞行器固体火箭助推器总体/气动/轨道/动力多学科的系统分析模型和设计优化模型。

Signal;rocket;as a result something went wrong with the signal of the rocket entering the space.

发射火箭进入太空的信号出了差错，结果火箭爆炸掉入了大海。

Something wrong was with the signal of launching rocket, as a result, the rocket exploded and dropped into the sea.

发射火箭进入太空的信号出了差错，结果火箭爆炸掉入了大海

Introduces an adaptive fuzzy filter based on approximate entropy and applies the filter to the digital filter of rocket telemetry signal in the wideband noise The adaptive fuzzy filter algorithm is discussed, and the experimental filtering results of rocket telemetry signal in white noise are given Both analysis and experiment show that the parameters of this novel filter can adjust itself according to the complexities of the signal It filters better than the average subsection fuzzy filter for the no...

介绍了一种基于估计熵的自适应模糊滤波器，并将其应用于宽带噪声中火箭遥测速变信号的数字滤波。讨论了自适应模糊滤波算法，给出了应用实验结果。分析和实验表明，这种新型滤波器能根据信号的复杂程度自动调节其参数，对宽带噪声中非平稳随机信号有较好的滤波效果

Built in several pieces, the rocket is called a step rocket.

因为火箭是分成几节制造的，所以称为多级火前。

Test method and simulation technology of the non-full loading firing dispersion for multiple launch rocket system are studied. A new test method for reducing rocket consumption in dispersion test of MLRS is presented.

研究了多管火箭非满管射击密集度试验方法及仿真技术，提供了一种新的减少多管火箭密集度用弹量的试验方法。

The IDF aerially attacked the following targets on Saturday : A high trajectory rocket launcher in northern Gaza - following rocket attacks in the western Negev .

以色列国防军袭击喷洒下列对象在周六：高弹道火箭发射装置，在加沙北部继火箭袭击，在西内格夫。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。