查询词典 subsonic

The design and test results of the new type high-subsonic speed submerged and semi-submerged intakes for cruise missile propelled by a turbojet engine have been introduced.

本文介绍了以涡轮喷气发动机为动力装置的飞航式战术导弹的一种新型高亚音速嵌入式、半嵌入式进气道的设计与试验研究结果。

Subsonic vortical flows over a slender body at different angles of attack were simulated numerically,and the aerodynamic characteristics of asymmetric vortical flow were also investigated.

运用数值方法模拟了细长体在不同攻角条件下亚音速绕流的背涡结构，探讨了非对称涡流的气动力特性。

MVD. To achieve desired lethality against targets, protected with body armor, TSNIITochMash had to develop a new subsonic cartridge, based on the 7.62x39 case, necked out for 9mm bullet.

为了达到预期目标的致命性打击，保护与防弹衣，TSNIITochMash必须制定一个新的亚音速弹的基础上，7.62x39情况下，颈为9毫米子弹。

An air-breathing valveless PDE model was designed and manufactured,which was made up of subsonic inlet,mixing chamber,ignition chamber,detonation chamber and nozzle.

设计制造了完整的吸气式无阀脉冲爆震模型机，包括亚声速进气道，混合室，点火室，爆震室和喷管。

The flow then decelerates through the diverging section and exhausts into the ambient as a subsonic jet.

流动减速，然后通过不同的区段和废气到周遭的作为亚音速喷射。

The strength of coating layer obtained by one-shot self-felt powder with subsonic oxygen-acetylene spraying technique was discussed.

采用亚音速氧乙炔火焰喷涂技术，喷涂一次性自粘结粉末，经测定涂层的结合强度可达到打底层的界面结合强度。

The experimental velocities cover subsonic,transonic and supersonic flows,and the content includes:(1) flow over flat plate,revolution body and wing with riblets surface at zero angle of attack;(2) the effect of pressure gradient,angle of attack and slide angle;(3) the burst characteristics,characteristics of turbulence,the streak structure in the near wall region and the drag reduction mechanism.

内容涉及沟槽面平板、旋成体、机翼等在压、跨、超音速流动情况下的实验研究成果；压力梯度、攻角、侧滑角等的影响；湍流猝发特性、紊动特性、近壁区带条结构的特征及减阻机理等方面的工作。

The objectives are the subsonic and supersonic zero-lift drag coefficients, the maximum lift-drag ratio, the maximum lift coefficient at low speed, the average and maximum value of forward and sideway RCS.

目标函数取为亚音速及超音速时的零升阻力系数、最大升阻比，低速时的最大升力系数，以及飞机前向、侧向的RCS平均值、最大值。

While supersonically the F-35 is limited to a seemingly unimpressive Mach 1.6 in level flight, Davis explains that the JSF is optimized for exceptional subsonic to supersonic acceleration.

虽然supersonically的F - 35是限于一个看似不起眼1.6马赫水平飞行，戴维斯解释说， JSF的优化特殊亚音速到超音速加速。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。