• 他们被困一点空气弹丸之地,再40分钟洪水就会淹没这间屋子了。

    Trapped in a pocket of air, they had only 40 minutes before the tide flooded the chamber.

    《柯林斯英汉双解大词典》

  • 果把五个弹丸放在上面而不掉下来,捕蝉就像从地上捡球一样容易了。

    When five pellets are placed on top without falling off, catching cicadas is as easy as picking a ball up from the ground.

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  • 枪弹测速系统可以测量弹丸速度大小。

    Bullet velocity Measurement System can measure the projectile velocity bullets.

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  • 稳定储备量保证弹丸稳定飞行前提

    The stabilization storage of projectile is the precondition of its stabilization flight.

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  • 弹丸气动外形弹道性能有重要的影响

    The aerodynamic shape of projectiles strongly influences their performance on ballistic trajectory.

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  • 弹丸消融速率消融物云和表面蒸发共同控制

    The ablation rate is controlled by both the ablation cloud and the vaporizing surface layer.

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  • 本文研究了提高二级速度发射技术途径。

    The launching technique to enhance the projectile velocities of a two-stage light gas gun was studied in this paper.

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  • 界面显示通道弹丸过靶波形、弹丸速度连发射频。

    The main panel displays two channel sampling signal, the repeated projectile velocity and the firing rate.

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  • 主要考虑了摩擦力空气阻力等因素对弹丸速度轨迹影响

    The effects of frication, air frication on the speed and trajectory of projectiles have been fully considered.

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  • 本文编织复合材料圆柱弹丸穿孔问题进行了研究。

    The study is concerned with perforation of thick woven composite plates by hard steel cylinder.

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  • 论文主要研究弹丸自由飞行数据如何准确地空气动力系数

    This paper mainly studies how to accurately fit the air dynamics parameter by the ballistic data of projectiles' free flight.

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  • 波兰兼并了特申这块备受争议弹丸之地,那里居住着几千波兰人

    Poland had annexed the tiny disputed region of Teschen, where thousands of Poles lived.

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  • 这个动物,昵称“弗罗多”,头骨开裂,全身布满弹丸肠子受伤

    The tiny animal, nicknamed Frodo, received a fracturedskull, and gun pellets were found scattered throughout her body, damaging herintestines.

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  • 然后他们开始检查发现某种类似弹丸东西,他们知道究竟是什么

    Then they started to look and discovered that it was some kind of projectile, but they didn't know what it was.

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  • 方法期望弹丸命中目标情况下求解机身期望指向及其变化率

    It is to solve the expected fuselage pointing and the rate on the assumption of that the target could be hit.

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  • 某种意义上,如此广泛情绪化的事件纽约弹丸之地产生是合理

    And in a sense, it's fitting that such a sweeping, emotional issue has arisen from this tiny slice of New York City.

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  • 希腊,这样一个弹丸之地,尽管遭受普遍质疑,仍为曾经举办这一现代盛典而骄傲

    The smallest country ever to host the modern event, Greece was proud to have pulled it off despite widespread skepticism.

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  • 结果表明弹丸撞击速度一定时,弹坑深度弹坑直径弹丸直径呈线性关系。

    The results show that the depth and diameter of craters change linearly with the projectile diameter when the impact velocity is a constant.

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  • 本文弹丸外形给定外部环境已知基础进行弹丸头部内部温度研究。

    In this thesis, the internal temperature field of the head of projectile is researched, based on the given projectile shape and external thermal environment.

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  • 建立对称弹丸渐速膛线身管内弹丸一般运动动力学模型运动微分方程组

    A general dynamic model and differential equations for an unsymmetrical projectile traveling in a flexible, increasing twist rifled bore gun tube are developed.

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  • 本文介绍了天平支杆以及模型船尾超声弹丸测量影响实验研究和理论计算。

    This paper presents the effect of tail sting and the Angle of boat tail on the base pressure at supersonic velocities.

    youdao

  • 河南山东河北的麦农本月云端发射化学弹丸防止冰雹暴雨破坏他们庄稼收成

    Wheat producers in Henan, Shandong and Hebei fired chemical pellets into the clouds this month to prevent hail and heavy rain from damaging their harvest.

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  • 同样本底等离子体条件弹丸初始参数下,注入丸的穿透深度增加约40%。

    Under the same plasma condition and initial pellet parameters, the penetration depth for tritium pellet increases by 40% in comparison with that of hydrogen pellet.

    youdao

  • 美国陆地上斗争了100小时迅速这个弹丸石油小国撤兵那时看来的确像是获胜了。

    America's quick eviction of his army from the tiny oil state after only 100 hours of ground fighting looked at the time like a triumph.

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  • 这个人口130万弹丸小国来说,单一货币让他们进一步迈入欧洲”,远离俄罗斯

    For this small country of just 1.3m people, the single currency is a further step towards "Europe" and away from Russia.

    youdao

  • 基于旋转稳定弹丸6d刚体弹道方程导出弹丸转圈数公式,可弹丸数进行准确计算

    Based on 6d rigid body trajectory equation, the spin-number formula of the projectile was deduced, by which the spin-number can be calculated.

    youdao

  • 弹丸飞行中的迎面空气压力爬行弹道环境信息引信安全系统中的应用进行了研究。

    Analysed two kinds of exteirior ballistic environments in the fuze safety system, which are air pressure environment and the creep force environment.

    youdao

  • 弹丸飞行中的迎面空气压力爬行弹道环境信息引信安全系统中的应用进行了研究。

    Analysed two kinds of exteirior ballistic environments in the fuze safety system, which are air pressure environment and the creep force environment.

    youdao

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