查询词典 projectiles

This paper referred to simulating the supersonic double cone inlet" s flow field of ramjet pill assisted range projectiles at a variety of working circumstances, pressure contours, density contours and Mach number contours of inlet" s flow field were given When cone combination, relative location of cone core and cowl lip, the pressure of outlet, inflow Mach number and angle were changed, flow field and performance parameters of inlet can be affected. Simultaneity, productive mechanism and inducing factors of the inlet surge were also discussed. Then the best working conditions and the best model of inlet were obtained.

本文对冲压增程弹丸所用发动机的双锥超声速进气道在各种工况条件下的流场进行了数值模拟，给出了进气道流场的等压线图、等密度线图和等马赫线图，从而观察在不同的锥尖角组合、锥芯与外罩唇口的相对位置、出口反压、来流马赫数和攻角时，对进气道流场及性能参数的影响，并探讨喘振现象的产生机理及诱导因素，以便确定最佳的工作状态，得到最优的进气道模型。

The first of the GPS-guided artillery projectiles to enter operational service will be the XM982 Excalibur, due to take to the field with US artillery units in March 2006 under a schedule that has been accelerated to meet urgent operational requirements.

第一种进入操作服役的全球定位系统-制导火炮射弹将会是XM982型"亚瑟王神剑"，预定在2006年3月在一个时间表之下进入战场上的美国火炮单位，已经被加速去符合紧急操作需求。

Studied present measuring methods" advantages and disadvantages, and presented the necessity and importance of researching propellant transient heat transfer.2.according to 130 and aeronautic 90 rocket projectiles" structure, analysed and acquired physical and mathematical models for propellant transient heat transfer, also designed propellant temperature field simulation units for test.3.acquired discrete transient heat balance equation and temperature calculation program, and gave contrasting curves between experimental temperature values and program calculating temperature values as well as maximum errors and average square root errors between them.4.by programs based on the first class boundary condition, worked out temperature distribution in propellant temperature field simulation units at different time, analysed temperature field distribution law and main elements affecting heat transfer, acquired propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.5.established transient heat transfer mathematical model and temperature calculation program for the third class boundary condition, drew contrasting curves between temperature experimental values and calculation values and gave maximum errors and average square root errors between them, got temperature distribution in the simulation unit at different time and main elements affecting heat conduction, figured out propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.

分析了现有测试方法的优缺点，提出了研究推进剂瞬态导热的必要性和重要性。 2。根据130和航90两种火箭弹的结构，分析得到了推进剂传热的物理模型和数学模型，设计了推进剂温度场模拟实验装置。 3。得到了离散形式的瞬态热平衡方程和温度场计算程序，给出了实验温度与程序计算温度值的对比曲线及其最大偏差与均方差。 4。利用程序求出了第一类边界条件下、不同时刻推进剂温度场模拟装置中的温度分布，分析了温度场的分布规律和影响传热的主要因素，求出了推进剂质量加权平均温度和最大肉厚1／2处的温度时间曲线并给出了两者之间的最大偏差与均方差。 5。建立了第三类边界条件下的瞬态导热数学模型和温度计算程序，求出了温度实测值与计算值的对比曲线并给出了两者之间的最大偏差与均方差，得到了不同时刻温度场模拟装置的温度分布与影响导热的主要因素，求出了推进剂质量加权平均温度和最大肉厚1／2处温度及两者之间的最大偏差与均方差，讨论并确定了能代表130和航90推进剂温度的特征点的位置。

The projectiles are stabilized using a hydrodynamic cavity, generated by the flat point of the projectile.

这种炮弹是利用流体动力学稳定腔，由弹丸小点生成。

A powerful detachment of infantry of the line, broken at regular intervals, by the National Guard and the Municipal Guard on foot, and supported by serried masses which could be heard though not seen, debauched into the street at a run, with drums beating, trumpets braying, bayonets levelled, the sappers at their head, and, imperturbable under the projectiles, charged straight for the barricade with the weight of a brazen beam against a wall.

一支强大的步兵呈战列纵队，在相当的距离内，平均地安插在国民自卫军和保安警察队之间，并有无数听得到看不见的人作后盾，向大街跑步冲来，他们擂起战鼓，吹着军号，刺刀平端，工兵开路，在枪林弹雨中沉着前进，直抵街垒，象根铜柱那样把重量压在一堵墙上。

The two new projectiles with soft and empty tines have the capability of high execution and low inbreaking.

这两种设计完成的新弹型分别为软尖弹和空尖弹。

A firing experiment of super-high firing rate gun with three serial loading projectiles is tested. Its classical model of interior ballistics is established and a numerical simulation is conducted.

该文进行了超高射频火炮膛内串联排列的3发弹丸的射击实验，建立了膛内过程的经典内弹道模型，并进行了数值模拟。

The influence of kinetic friction force on the penetration depth into granites is analyzed. The equations of resistance and depth for normal penetration into granites by rigid projectiles are presented.

通过分析动摩擦力对侵彻深度的影响，得到刚性弹丸垂直侵彻花岗岩时的阻力和深度计算公式。

Can projectiles (and lurker spines in particular) be dodged in SC2?

SC2里炮弹和潜伏者的刺还能躲吗？

In this paper, the problem of the relationship between the mathematical expectation of the number of the target damaged M and the dispersion of rocket projectiles is discussed.

本文讨论被毁伤目标数的数学期望M和火箭弹密集度的关系。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失