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- flow field of muzzle 膛口流场
- Based on the simplifications of muzzle flow field,this paper studies the starting condition and parting movement between the sabot and the rod of a gas-propelled APDS duing the discarding process. 在对膛口流场进行简化的基础上，研究了气推式脱壳弹脱壳过程中弹托与弹芯的起动条件和分离运动。
- The research was made on the afterbody flow field of civil aircraft. 本文运用计算与实验相结合的研究方法对民机机身后体流场进行了研究。
- The typical seepage flow field of the bottom for the spillway dam is obtai... 最后计算了典型的坝基渗流流场,计算结果与实验结果吻合较好。
- These were the basis of researching the inner flow field of the pump sump where PIV technology was used. 这为利用PIV技术研究水泵吸水室内部的流场建立了基础。
- The flow field of the ejector shows the effects of the section of the mixing chamber on the performance of the ejector. 喷射器内流场直观地显示了混合室截面大小对喷射器性能的影响过程。
- PIV technology is applied in the experiment to measure the flow field of the rivulet. 采用了PIV技术对沟流流场进行了测量。
- It analyzes the Flow field of vaneless diffuser of 2 stages and the bend and return channel for 1 stage. 分析了两个级无叶扩压器中的流场及其中一个级弯道和回流器中的流场。
- The in-cylinder flow field of a 2-valve engine with high tumble ratio was measured by using LDA system. 在一台具有较强滚流比的二气门汽油机上用二维LDA测量了燃烧室内沿气缸直径方向各测点处气流运动的规律。
- And the jet flow field of 4 nozzles of a PDC bit is tested by simulating the bottomhole flow field of the bit. 在模拟PDC钻头井底流场的条件下,对PDC钻头4个喷嘴的射流流场进行了测试。
- So it is of very important science meaning and practice value to simulate the circle flow field of the ramjet shell. 因此,对冲压增程炮弹绕流流场的研究具有重要科学意义和实用价值。
- The field of operations has been staked out. 军事演习的区域已经划定。
- They were pioneers in the field of microsurgery. 他们是显微外科学领域的创始人。
- Both numerical and experimental investigations were carried out to study the effect of aerodynamic sweeping-Curving on the endwall flow field of compressor cascade. 摘要利用数值和实验方法对气动弯掠在压气机叶栅中的作用机理进行了研究。
- Simulating the air swirl flow field of BG-130/3.9-450 pulverized coal boiler, and expounding the flow characteristic and distribution of air velocity. 针对BG-130/3.;9-450型四角切圆燃烧煤粉锅炉炉膛内冷态动力场进行了数值计算，并对炉膛内的空气动力场进行了研究；
- They seeded in the field of rape. 他们已经在油菜地里播了种。
- The peasants are reaping a field of barley. 农民们正在收割大麦。
- The internal flow field of a two stage turbine with double shafts was simulated by solving the steady Euler equation with loss model. 通过求解由粘性力引入损失的Euler方程，模拟了某型两级双轴涡轮的内部稳态流场。
- The circle of contact takes on time averaged, instantaneity, periodicity and crumbliness in flow field of angle burner high length-with ratio furnace. 角式喷燃、高长宽比炉膛中，切圆在流场中旋转，具有时均性、瞬时性、周期性和破碎性。
- Length of skull from occiput to stop equal in length of muzzle. 后枕骨适度突出。
