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With the theoretical model of spherical grain dynamics of sparse two-phase flow in single dimension, computing formulas of velocity′s attenuation and scattering distance were built for explosive residue grains in horizontal. Then, a simplified theoretical model on distribution of explosive residue was put forward on the basis of a spherical space with radius equalling to maximum horizontal scattering distance of explosive residue grains with certain diameter.

为了对残留物颗粒的飞散运动及分布规律进行理论分析，利用球形颗粒一维稀疏二相流动力学模型，研究得到炸药残留物颗粒的速度衰减及水平飞散距离计算公式；在此基础上，建立了以某粒径残留物颗粒水平运动极限距离为半径的炸药残留物颗粒球面空间分布简化理论模型。

In this paper difference equation of motion fr om one point to another point on the earth is derived from the geodesic equation on the earth and spherical trigonometry formulas. Some difference track formul as of a maneuvering object are also given.

以大地椭球三角形模型为基础，利用地球表面二点间最短路径的大地线方程和球面三角形的有关公式，建立了由地球表面一点运动到另一点的差分运动方程，同时也给出了在进行航向机动时的差分运动轨迹。

In this paper differ ce equation of motion fr om one point to another point on the earth is derived from the geodesic equation on the earth and spherical trigonometry formulas. Some difference track formul as of a maneuvering object are also given.

以大地 椭球三角形模型为基础，利用地球表面二点间最短路径的大地线方程和球面三角形的有关公式，建立了由地球表面一点运动到另一点的差分运动方程，同时也给出了在进行航向机动时的差分运动轨迹。

Using geometrical method to calculate the gravitational deflection of light ray in the static spherically symmetric gravitational field;2. The reflection formulas of the ordinary and extraordinary light are given for determining their reflecting orientation of the wave normal and the light ray .

基于电磁波边界条件，从几何光学的角度，对单轴晶体内表面上光的反射规律进行了分析和讨论，给出了寻常光和非常光波法线和光线反射的公式同时指出了上述结果与由费马原理导出的结果是一致

Even many of the formulas labeled all natural will only contain a sprinkling of pure compounds in them.

甚至许多公式的标记所有自然将只包含纯化合物洒在他们身上。

Is article presents the equivalent replacement formulas for solving complicated ventilation network by introducing the equivalent replacement principle of delta- star connection in complex circuits to the study of mine complicated ventilation network and has been applied successfully.

把复杂电路中三角形与星形联接等效变换原理引入矿井复杂通风网络的研究，导出解复杂风网的等效变换公式，并运用成功。

By analyzing the characteristics of the several common load harmonic sources, this paper inducted the resistance formulas, sequence resistance and sequence impedance matrixes of tri-phase universe loads, star and triangle connection loads under harmonics condition.

在分析几种常用负载谐波源特性的基础上，推导出了在谐波环境下三相通用负载、星形和三角形联结负载谐波源的阻抗计算公式、序阻抗和序导纳矩阵。

Based on the distillation data of raw material, which are usually in the form of empirical charts and formulas, a simple stationary state mathematical model was developed for atmospheric distillation tower.

3将软件设计中的模块化技术应用于构造复杂工业过程系统仿真模型，形成了一种以模块间的调用关系和偶合关系的定量化描述为核心的模块化模型设计技术。

Obtained the calculation formulas of stripe—pillar size of two and three dimension in the pillar containing joints by analysing it. Studied the effect of joint trace, angle, density and tension strength on the stability of stipe—pillar. Obtained the upper—limit value of joint angle that has no effect on the stability of stripe—pillar.

通过对含节理煤柱的分析，获得了含节理煤柱的二维、三维条带煤柱尺寸计算式，分析了节理迹长、倾角、密度、抗拉强度对条带煤柱稳定性的影响，获得了节理对条带煤柱稳定性无影响的节理倾角上限值。

In the present analysis, the residual stresses can be different in x-axis and y-axis; thus, a set of new formulas are derived instead of a single Stoney formula.

在描述分析里，在x方向和y方向的残留应力会是不相同的，因此我们假设新的公式推导取代Stoney公式。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。