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In the point reactor model, the probability function(n, t0, t) of a source neutron at time t0 leading to n neutrons at time t is dealt with. The non-linear partial differential equation for the probability generating function G(z; t0, t) is derived. By solving the equation, we have obtained an approximate analytic solution for a slightly prompt supercritical sys tem.

在点堆模型基础上，考虑了在t0时刻系统引入一个源中子，在t时刻产生n个中子的概率(n， t0， t)推导了概率生成函数G(z； t0， t)所满足的偏微分方程，并得到了近似解。

The article researches hit probability of single firepower unit and multiple firepower units making use of analytic result of shooting error.

利用误差分析的结果，还研究了单个火力单位和多个火力单位时的命中概率。

By introducing the analytic expressed unit commitment risk constraints into the unit commitment Lagrangian relaxation method, the probability reserve constrained unit commitment problem can be achieved and optimized indeed.

在此基础上，将投运风险度约束以解析表达的方式引入机组组合的拉格朗日松弛法中，有机一体的完成了概率备用约束的机组组合问题，实现真正意义上的优化。

By using Analytic Hierarchy Process, a communication network model based on the Frame Realy technique was put forward.

利用层次分析法建立一个基于帧中继技术的通信网模型，并对该模型的结果进行了讨论。

In this paper,a proper analytic methods is proposed for determining the projective formulas when their centers are improper points between two line pencils of projective correspondence.

在两线束射影对应中，当两线束中心为非固有点时，两线束的射影关系式如何确定？本文给出了适当的解析方法。

Based on the reciprocity theorem, the analytic solutions of electric field induced by time-varying magnetic field were obtained when the boundary of volume conductor is infinity, semi-infinity and prolate spheroid respectively.

根据互易定律，给出了容积导体为无限大、半无限大及边界为长球面三种情况下，时变磁场产生的感应电场空间分布的解析表达式，它是进行磁刺激理论及试验研究的基础。

X-ray and electron transport in proportional counter was simulated by MCNP, and the simulation result accords with theory analytic result.

使用MCNP模拟X射线和俄歇电子在内充气正比计数管中的输运，模拟结果与理论分析结论一致。

Finally using the SWOT analytic method system analysis Enshi city public sports facilities present situation.

最后运用SWOT分析法，系统分析恩施市城区公共体育设施现状。

The analytic results indicate that pulverization can be enhanced by a higher air pressure,with a proper pressure ratio between air and liquid.

本文利用对不同工况下喷嘴喷雾的液体粒径进行计算，以研究气液两相压力对喷嘴喷雾效果的影

By applying the analytic geometry method, pure mathemat ical model was used to get 3 dimensions coordinate of the deep brain structure i n a coordinate system of the frame.

应用纯数学模型以解析几何法求脑深部结构的定向仪框架空间坐标。

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