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Using the steepest descent method of Deift-Zhou,we derive uniform asymptotic formulas for the Meixner polynomials.

利用Deift和Zhou的最速下降线法,我们导出一些关于Meixner多项式的一致渐近公式。

Mechanical properties and combusition characteristics were affected evidently by the solid grain configuration and its character. Mechanical propertiesof the material system could be improved by adopting RDX and proper granularpropellants granularity rank-match. It is favorable to obtain progressivity burning effect byaffiliating increasing burning surface propellant grains. Affiliating fast burning componentthese burning rate regulator in the bond system can quicken burning rate of propellants andimprove burning progressivity.

固体颗粒形态及其性质对力学性能和燃烧性能具有较大的影响,采用RDX与适当颗粒度的固体发射药的粒度级配有利于改善力学性能,加入增面燃烧的发射药颗粒,有利于获得渐增性的燃烧效果,在粘合剂体系中加入速燃组份等燃速调节剂,可加快发射药的燃气生成速率,改善燃烧的渐增性。

E., when the bourrelet keeps in contact with, or not in contact with, or impacts with the bore. The patterns of motion of a projectile traveling in an ideal tncreasing twist rifled bore are studied and compared with that of a projectile traveling...

求解了非对称弹丸在渐速膛线理想身管内的运动规律,并将该运动与等齐膛线身管内的弹丸运动进行了对比,由此得出若干结论。

The modeling of products varied in different periods and evolved into diverse orientations. Slating board style paid more attention to the speed, while the half-slating board style of the head-shaking style also gradually turned to focus on the speed. Therefore, the style of speed is the evolutional direction of motorscooters in every period.

台湾速克达机车的产品及造形的发展就在这些与不同环境因素的互动下,机身由斜板式愈趋演变成流线型,而摇头式不管是复古车及一般型也渐强调流线的造形,所以,造型设计均往速度感的方向演化。

The dynamic medel and the differential equations of an unsymmetrical projectile traveling in a flexible, increasing twist rifled bore gun tube are developed in this paper. The equations can be used for the study of any case of a projectile traveling in the bore, i.

建立了非对称弹丸在挠性渐速膛线身管内的弹丸动力学模型和运动微分方程组,该方程组可用于对弹丸在渐速膛线身管内的任何情况(定心部不与膛壁接触、弹膛碰撞、贴膛)的运动进行求解。

Their instruments are more expressive and sensitive than ours, and through bowing and breathing they can make much more use of slight delays, suspenses and accelerandos.

他们的乐器比我们的钢琴更富于表情,更灵敏,通过弓法和呼吸,他们可以更多的利用微小的延迟、悬念和渐速音。

推荐网络例句

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了

The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.

世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。