查询词典 supersonic

On the basis of shock wave characteristic of the supersonic projectile and the detailed analysis of measured datas,a method of decomposing and reconstructing the trajectory shock wave signal and muzzle blast wave signal is proposed and the characteristic parameters for positioning sound source and calculating trajectory vector with regular tetrahedron detection array are extracted.

根据空气动力学原理，在阐述超音速弹丸的弹道波特性的基础上，通过详细分析实测的声信号，提出了弹道波信号和枪口冲击波信号的小波分解和重构方法，提取了利用正四面体探测基阵进行声源定位和弹道矢量计算的特征参数，获得了满意的实验结果。

The first supersonic flight (670 mph) was made in California by Charles Yeagar in his Bell XI rocket plane.

在加利福尼亚，查尔斯·叶戈用他的贝尔6号火箭飞机进行了第一次超声波飞行。

Founded in the December,2006, Including dental Supersonic Scaler, dental X-Ray and the others Dental equipment.

创联世纪科技发展有限公司是一家从事牙科仪器周边元器件的专业供应商，成立于2006年12月，现有超声波洁牙机、高频X光牙片机等口腔设备散件。

The schlieren and oil flow experiment of aerodynamic ramp were conducted on the straight united supersonic experimental equipment.

在直连式实验台上对气动斜坡实验件进行了纹影及油流谱等冷试实验研究。

Recent years, studing and designing supersonic scramjet engine had been the key technology in the world.

近年来，研究和设计高超音速冲压发动机是世界尖端科学技术之一。

Secondly, supersonic combustion research is reviewed. Then, investigation for scramjet engine model is summarized.

其次是超声速燃烧方面的研究及模型超燃冲压发动机研究。

In addition to measurements of conventional dynamic parameters o n a model surface,an optical observation method was employed,which directly reco rded self-luminosity of high temperature gas induced by a two-dimensional mode l in high enthalpy flow and combustion radiation.Hypersonic flow fields passing over a sharp strut including fuel injection were displayed and recorded with a high-speed CCD camera.A phenomenon of supersonic diffusive combustion under fre e boundary condition was observed.

实验除测量常规流场参数和模型表面的动态参数外，主要使用二维实验模型，利用高温气体的自发光和燃烧伴随的发光现象，采用高速摄影技术来观测燃烧现象，记录到高焓流场中叠加燃料喷射和燃烧的流场，观察到自由边界条件下扩散控制的超声速燃烧现象。

Supersonic energy was utilized to study the modified Tessier sequential extraction proce-dure for speciation analysis of heavy metals in soils.

利用超声波的能量研究了经改进的Tessier 系列萃取法，并用此法萃取分析了土壤中重金属的形态。

This region of supersonic acceleration is terminated by a normal shock wave.

这一地区的超音速加速终止正常的冲击波。

"The large front inlets on ThrustSSC produced huge shock waves at supersonic speed," he says.

"前面的大口的喷气发动机对超音速推进以超音速的速度产生巨大的冲击波，"他说。

I'm strongly against the death penalty — it's an eye for an eye.

我不赞成死刑——这是以牙还牙的报复行为。

And to get you the support you need, we're enlisting all elements of our national power: our diplomacy and development, our economic might and our moral suasion, so that you and the rest of our military do not bear the burden of our security alone.

并给你们所须的支援，我们正徵召国家所有各种的力量：我们的外交及发展，我们的经济力量与道德劝说，所以你们与其他军人不须要孤独地负起国家安全的责任。