查询词典 projectile

The object of projectile design is analyzed, and the layer-TOPSIS method is provided for the evaluation of total effectiveness by taking the layer concept into the TOPSIS method. In the calculation of object weights, the grade calculation method is suggested, which has less dependence on the subjectivity of decision-maker and can take account of both sensitivity and allowableness of objects, the geometric-arithmetic method is provided for grade weight calculation and methods for sensitive weight and allowable weight are given. Of modes in system analyzing, the penetration model of target with spherical-fragment is carried out based on the theory of Dynamic Spherical Cavity Expansion, and it is a supplement of the models for calculation the damage of the fragmentation warhead to target.

对弹丸设计进行了目标分析；通过在TOPSIS方法中引入层次结构的概念，提出了适用于弹丸总体效能评价的层次TOPSIS评价方法；在指标权重计算中，提出了对决策者主观依赖较少的能反映指标的敏感性和相容性的分级权重计算方法；在分级权重计算中，分别给出了等比-等差权值计算方法和敏感-相容权值计算方法；在系统分析的模型中，对破片战斗部的威力计算中的模型进行了补充，在空穴膨胀理论的基础上提出了球形破片侵彻有限厚靶板的侵彻计算模型。

The angular correlation between the emitted electrons, which equally shared the excess energy, was analyzed in the plane defined by the projectile and the first detected electron.

着重分析了在入射电子束与出射电子构成的平面内，3个均分系统剩余能量的电子出射角关联关系，并与理论计算进行了比较。

Gyro simulation test of the high-speed rotatable projectile angular motion is one of the key technology of the physical simulation system.

高速旋转弹丸角运动的陀螺模拟测试是弹载机构物理仿真系统的关键技术之一。

Within the rivers and streams throughout the tropics there lives an animal that has a projectile weapon sophisticated as a high powered rifle.While most fish feed on what lives in the water, the archerfish can attack those that linger above the surface.

在热带的河流，溪水中生活著一种动物，它的弹射武器尖端得像大火力来福枪一样，大多数鱼都以水中的生物为食，而射水鱼却能捕捉到那些在水面附近活动的猎物。

At the same time, the ballistic limit curves of the Whipple shield in a velocity range from 0.5 km/s to 5.5 km/s was obtained. Comparing to the predicted curve from Christiansen ballistic limit equation, the experimental minimum critical projectile diameter is slightly greater than the prediction.

通过固定弹丸直径，改变弹丸撞击速度，寻找临界撞击速度的方法获得了铝合金Whipple防护结构在0.5～5.5 km/s撞击速度区间内的撞击极限曲线，并与由Christiansen撞击极限方程得到的撞击极限曲线进行了比较，结果表明，实验最小临界弹丸直径略大于预测值。

The new tyPe ERA will achieve Protection effect is: in the case of small normal angle (e wt0 o ) can defend large calibre anOLIrrpiercing Projectile, larg calibre shaPed chnye and near calibre tandem wthe miniStryThe emPhses is to stUdy defend lnye calibre artnour9iercing Proectile, specially aPply to protect tank barbette.

新型反应装甲要达到的防护效果是，在小法线角（θ=40°）的情况下，能防御大口径穿甲弹、大口径破甲弹，兼防近口径串联破甲战斗部，重点是研究对大口径穿甲弹的防护，特别适用于坦克炮塔的装甲防护。

This method can be used to evaluate the destructive mechanism and to improve the structure well of projectile ogive under i...

另外 ，这种方法还为改进风帽的结构设计提供了有益的建议。

At what precise moment will the moon be in the most favourable position to be reached by the projectile?

月球在什么时候出现在抛射体最容易击中的位置上？

Then the muzzle flowfield with muzzle brake was simulated with the aforementioned experience. Those complex phenomena including precursor shock caused by quickly moving of projectile, muzzle flow structure produced by propellant gases, affection of blast wave behind muzzle area which formed by leading angle of muzzle brake, etc, can be observed clearly by these simulations.

同时藉由此经验，模拟含炮口制退器之炮口流场，获得炮管内因弹体高速移动产生之先导震波现象、高温高压之发射药气体於炮口形成之喷流结构及制退器排气导孔对后方震波压力传导之效应等良好结果。

Receptacles,After invented agriculture, the conditions of life have been fundamentally changed, but still can not meet their needs, From the display of fishing and hunting tools of bone posts , bone arrow, projectile and the rich fruits of acid Chinese date,acorn, Gordon euryale , Caltrop, is showing that fishing and hunting and gathering communities were indispensable economic activities.

贮，在发明农业，生活条件已得到根本改变，但仍不能满足他们的需要，从显示的捕鱼和狩猎工具员额骨，骨箭头，弹丸和丰硕成果酸中的日期，橡子，戈登芡实，菱角，显示，捕鱼和狩猎和采集社区是必不可少的经济活动。

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