查询词典 subsonic

This airplane can go out to high subsonic speeds very easily without using afterburner.

这架飞机能够很轻松地在不打开加力的状态下飞到高亚音速。

The airbus, perhaps the most advanced subsonic airliner in use, has wings designed so that lift is spread along their breadths.

空客，也许是现使用中最先进的亚音速客机，它们的翼型设计使得升力沿客机的宽度伸展商务。

The missile is subsonic and probably not terrain following (making it more prone to being shot down, as in the case of an Iraqi one shot down by a Royal Navy Type-42 destroyer's obsolete Sea Dart SAM system) but does have the advantage of being able to carry a much larger warhead than comparable anti-ship missiles.

该导弹为亚音速，很可能不是沿地势飞行（这样导弹更易被击落，如英国皇家海军的42型驱逐舰曾用过时的"海矛"防空导弹击落一枚伊拉克的巡航导弹），但是它的优势在于可以携带比同类型反舰导弹重量更大的弹头。

"Plateau Eagle" advanced trainer adopts the aerodynamic arrangement of double delta wings with high lift-drag ratio, the leading edge of outside wing rotated conically and air inlet beneath both sides ribs, and has a good take-off/landing performance and subsonic/transonic speed performance in medium-low altitude.

"山鹰"高级教练机采用高升阻比双三角机翼气动布局，外翼前缘锥形扭转以及两侧肋下进气道，具有良好的起降性能和中低空亚跨音速性能。

With perturbation shifting circumferentially step by step, the subsonic flows around slender bodies of revolution vary gradually in manner of single periodicity,while the supersonic flows vary gradually in manner of double periodicity.

由于临界周向位置的存在，随微小扰动沿周向逐渐移动，细长旋成体大攻角亚音速绕流呈现为"单周期、连续变化"规律，而超音速绕流则呈现为"双周期、连续变化"规律。

In a steady compressible flow, if the method of stream function is applied, the stream is satisfied by a specific boundary value problem for partial differential equation of quasilinear elliptic type when the flow is subsonic.

可压缩流动；马赫数；西安交通大学；函数方法；流函数；有限元解；稳定的可压缩流动中，若用流函数方法，当流动是亚音速时，则流函数满足一种特殊的拟线性椭圆型方程的边值问题。

At first, numerical simulation are made on the temporal developing gas-phase mixing layer where the convective mach number is in the region of subsonic(0.5) and transonic(0.8). For the temporal problem where Mc is 0.5, researches where the computational field contains different numbers of initial disturbances(so-called n period problem) are made respectively, and vortex's types of evolution in mixing layer including different numbers of initial disturbances are investigated; For the temporal problem where Mc is 0.8, the distinct shock let structure is obtained, and its mechanism is analyzed at the same time.

文中首先对对流马赫数为亚声速(0.5)、跨声速(0.8)的时间发展单气相混合层作了数值研究，对Mc为亚声速单气相时间发展混合层，分别研究了计算域包含不同数目的初始扰动周期问题，考查了不同周期数的混合层中涡的不同演化方式；对Mc为跨声速的单气相时间发展混合层，得到了清晰的小激波结构，同时分析了小激波的形成机理。

The theories on pyrolysis and coking and hydrogenation of heavy oil are used to know the liquefaction and gasify and coking of coal. 3. The results of particle feeding in the hot plasma jet (1) By using the cold state of spraying the diesel oil mist transversely in the air flow at the subsonic and ultrasonic speed to imitate the stress condition and motion trace of coal powder in the plasma jet, it shows that with the speed of air flow changed from subsonic speed to ultrasonic speed, the uniformity of mixture between the coal powder with certain speed and air flow becomes worse, mixture length becomes shorter, which agrees with the law of momentum transfer.

三、热等离子体射流中颗粒注入研究的结果(1)利用柴油油雾在亚、超音速气流中横向喷射冷态模拟煤粉在等离子体射流中的受力和运动轨迹，结果表明随着气流速度由亚音速向超音速增加，一定速度的煤粉与气流混合均匀度变差，混和长度增加，符合动量传递规律。

The report has presented detailed research on concerned instances of integrated navigation and compared it with the system of the subsonic vehicle. The research has shown that the scheme composed of Changhe Ⅱ loran, Beidou satellite navigation system and GNSS for such subsonic vehicles is feasible and technically realizable.

本文对有关组合导航的实例进行了详细研究，与亚音速飞行器组合导航系统进行了比较研究，表明亚音速飞行器采用"长河二号"无线电导航系统、"北斗"卫星导航系统和全球卫星导航系统进行组合导航是切实可行的，在技术上是完全可以实现的。

The sample is subjected to primary dispersion by a primary dispersion flow that reaches a critical pressure and a subsonic speed, and the sample is then subjected to a secondary dispersion by a secondary dispersion flow that is different in direction from the primary dispersion flow and that reaches a critical pressure and a subsonic speed.

该试样受到达到临界压力和亚音速的初次分散流的初次分散，然后试样接受与初次分散流方向不同且达到临界压力和亚音速的二次分散流的二次分散。

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。