The atomic density and velocity distribution in the laser excitation zone is very important for the atomic vapor laser isotope separation (AVLIS).
在激光同位素分离中，激光作用区内原子的密度和速度分布对分离过程有重要影响。
The SPRD is used on zone systems when the automatic closing of various zone dampers can create an excessive increase in air pressure and velocity throughout the duct system.
SPRD旁通阀是当各种区域风门自动关闭时用在区域系统中，可以在管道系统中增加空气压力盒速度。
The result shows that the velocity field changes with the increase of space from shoulder and stir tool and the flow of weld metal from top to bottom and stir zone to rotation zone also weakens.
实验结果表明：随着距轴肩和搅拌针距离的增大，速度场开始减弱，焊缝金属由顶面向底面、由搅拌区向旋转区的流动也随之减弱。
Finally, with the introduction of a fast varying zone ahead of the crack tip, a solution with fully continuous stress and velocity fields is obtained.
最后，通过在裂尖前方引人一快变化区，本文得到了一个在裂尖周围应力和速度全连续的渐近解。
The feasibility of the CWR forming of involute gear-shaft is analyzed and the hypothesis of the kinematically admissible velocity field in the wedging zone is verified.
同时对渐开线齿轮轴楔横轧成形的可行性进行了分析，对成形区的动可容速度场假设进行了验证。
Other evidence for severe lateral velocity change across the fault zone lies in hypocenter bias and nodal plane distortion for earthquakes on the fault.
这种断层带上的侧向速度急剧变化还有其它表征，诸如震中定位的偏移、地震节平面的变形等等。
Though adopting two different calculation, the relation of initial gas and particle velocity ratio and movement time and kinematic range in accelerating zone was gained.
通过两种不同计算，得到气固速度比与固粒群的加速区的运动时间和距离的关系。
The results show that the angle of cross jets and density ratios have important influences on the velocity distribution on radial, the length of reflux zone and the quantity of reflux.
文中分别研究了射流交叉角度和密度比对径向速度分布、回流区长度、回流量的影响。
The velocity of the attacker flying to objective zone either is parallel to or has a fixed angler with longer side of linear objective.
攻击机飞向目标区的方式有两种，即攻击机飞向目标区的速度方向与线状目标的长边成一固定角和平行于该长边。
Different water table fluctuation velocity experiments show that the influence of water velocity on diesel residual saturation in saturated zone is negligible.
不同水位变动速度的试验结果表明，水位变动速度对粘性大于水的柴油的残余饱和度影响可以忽略不计。
Result of test in rectangular sluice shows that vertical velocity distribution profile may be divided into bottom inner, outer and surface zone.
本文根据矩形水槽试验，表明：对于整个断面的各垂线流速分布可划分为底部内区、外区和表面区。
This paper deals with two problems, nonzero -offset Fresnel zone in homogeneous media, and the effect of velocity error resulted in NMO correction and stacking on vertical resolution.
本文讨论了均匀介质情况下非零炮检距菲涅耳带和动校、叠加中速度误差对纵向分辨率的影响这两个问题。
This paper studies the character of smoke by fire model test in tunnel, emphasizes on the law of smoke distribution t analyses the length, velocity and thickness of refluxed zone.
通过对隧道火灾模型试验，研究隧道发生火灾时烟流性态，着重对隧道内的烟流扩散规律、烟流逆流层的长度、逆流速度、逆流层厚度进行了试验数据的分析。
When the tunnel is excavated, the surrounding rock will be damaged and the damage zone will be formed around the profile where the acoustic velocity will weaken.
隧洞开挖以后围岩会出现损伤，并在洞周形成开挖损伤区，在损伤区范围内声波波速会出现衰减。
The distribution of the temperature field in solidification zone was gained by coupling calculating of velocity field and temperature field.
通过速度场与温度场的耦合计算，得到了凝固区的温度场分布情况。
The relationship between aerodynamic shadow zone and natural air velocity.
空气动力阴影区与自然风速的关系。
While the coal seam hardness is definite, the increasing velocity of the width of the plastic zone of pillar decrease with the increase of interfacial bond property between coal seam and roof.
当煤层硬度一定时，随着煤层与顶底板界面粘结性能的提高，煤柱塑性区宽度增长的速度递减；
The concentration decays of downstream wall jet zone will increase with the increasing water depths and decreasing velocity ratios.
滞止点下游壁射流区的浓度衰减随环境水深的增大而增大，随流速比的增大而减小。
Refractions which transit the zone will be delayed because of low velocity and attenuated because of transmission loss.
穿过此区的折射因低速而有延迟，又由于透射损失而有衰减。
The zone has the obvious features of low pressure, high saturation of condensate oil, high interfacial tension and high flowing velocity.
该区域明显地呈低压、高凝析油饱和度、高界面张力和高流速的特征；
Velocity distribution can be expressed by a logarithmic formula for the inner zone and a parabolic formula for outer and surface zones.
底部内区流速分布可用对数公式表示；外区和表面区可用二次抛物线公式表示。
At the vortex center zone, the tangential velocity was less than the axial velocity.
涡心附近的切向速度小于轴向速度。
Because of the effect of turbulent flow near the wellbore zone, Darcy's law for the plane radial flow can't completely apply to the oil Wells of high velocity turbulent flow.
对于具有高速流动的油井，由于在井底附近地带存在湍流的影响，达西定律的平面径向流动已不完全适用。
The asthenosphere corresponds approximately to the low - velocity zone.
软流圈，大体上相当于低速带。
In the meantime, fracture developing frequency of Fuyu oil pay zone is analyzed and calculated by using ratio of vertical wave velocity - "crocodile factor" method.
同时，运用纵波波速的比值——“龟裂系数”方法对扶余油层储层的裂缝发育频率进行了分析、计算。
The horizontal low velocity layer, the vertical low velocity zone and the high velocity layer in the basement of the lower crust are related to the ore_forming processes.
文中还探讨了中国大陆主要成矿域岩石圈的现今活动性，以及地壳厚度、壳内低速层、“墙式”地震剪切波垂向低速带和下地壳底部高速层（体）的分布特征以及与成矿作用的关系。
By the roadbed height proposed and the analysis of wind velocity flow field, the active sand dune zone should be kept between 1.
按风速流场分析所建议的路基高度为：流动沙丘区路基合理高度宜在1。
The variation in acoustic velocity along the borehole and the influence of blasting on excavation damaged zone (EDZ) are studied based on the in-situ testing results.
基于松动圈的现场测试结果，研究声波波速沿孔深的变化规律以及爆破施工对于松动圈的影响。
This paper discusses the principle of MPRF wave-form design for airborne PD radar, and the range-velocity blind zone is calculated.
探讨了机载PD雷达MPRF波形设计的原则，并计算了距离-速度盲区，最后，分析了检测精度对解距离模糊的影响。
So the map of range-velocity detectable zone is in fact the criterion of evaluating the quality of the selected PRF set.
因此距离-速度的二维可检测区图才是衡量重频选取好坏的重要标准。
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