推导出斜坐标系下，亥姆霍兹方程的五点差分格式；
The five-grid difference format of Helmholtz equation in slanting coordinate have been derived.
针对以上问题，我们建立一个一维坐标空间三维速度空间的斜磁场作用下的等离子体鞘层物理模型。
In allusion to these problems, a plasma sheath model in an oblique magnetic field, which has one dimension coordinate space and three dimensions speed space, has been build.
齿轮啮合是转子之间常见的一种耦合形式，根据耦合单元的概念，推导了在全局坐标系下斜齿轮啮合的传递矩阵。
Since the gear engagement is a common coupling form between rotors, the transfer matrix of skew gear engagement in global coordinate system is deduced based on the concept of coupling element.
利用已有的三维双相材料位移基本解，给出了在与界面斜交坐标系下位移基本解的一般表达式。
Relied on previous data, the general expression of displacement fundamental solution for three-dimension bi-materials under coordinate system oblique to interface is given.
建立了任意斜交曲线坐标系下液体火箭发动机(LRE)内部工作过程的气液两相湍流化学反应流模型。
Two-phase turbulent reacting flow model of the internal operating processes in Liquid Rocket Engine (LRE) is set up in non-orthogonal curvilinear coordinates.
本方法的优点是，可以方便地给出翼面类任意斜截面外形的相对坐标值。
Its advantage is that the relative coordinate value may be Siven conveniently for the arbitrary oblique section of wing surface.
斜椭圆弧在原坐标系中的每个象限的轨迹并不是单调函数，因此不能按各个象限进行插补。
The diagonal ellipse arc in each quadrant of primary reference frame is not a monotonic function, so it is impossible to implement interpolation according to each quadrant.
本文用两种不同的数学方法解决国家体育场斜(扭)柱在任意高程上柱角点三维坐标计算问题，对斜柱现场放样的方法进行阐述。
The different mathematical methods were used to calculate the three dimensional coordinate of the national stadiums raking columns, and the setting out method of the raking columns was elaborated.
建立了斜齿圆柱齿轮侧面及齿根面的直角坐标方程序，应用矢量法确定盘形铣刀齿刃与轮齿侧面及齿根面接触线上各点的参数值。
Parametric values on the contact lines of disc cutter blade and the side surface cogwheel, disc cutter blade and gear root surface are determined by using vector method.
只要算出任意斜截面的弦长，就可以很快地得到对应外形的坐标值，而无需求解复杂的曲面方程。
The coordinate value of corresponding profile may be obtained quickly so long as the length of the chord of arbitrary oblique section is computed, without solving the complex equation of the surface.
运用FORTRAN语言，并根据理论计算得到齿面点坐标，编制程序，建立斜齿轮三维有限元分析模型。
According to point coordinates on the tooth surface calculated theoretically and using FORTRAN, this paper compiles the programs and builds 3d finite element model of the helical gear.
为进行斜齿锥齿轮副的齿面接触分析，并直观显示齿面接触区，利用圆向量函数和球向量函数的矢量回转和坐标变换方法，建立了斜齿锥齿轮齿面接触分析的数学模型；
To analyze and display the contact of skew bevel involute gears, a mathematic model was established by vector gyration and coordinate transform of circle vector functions and sphere vector functions.
在目标跟踪领域，通过三坐标雷达的测量值(斜距、仰角及方位角)来估算目标的真实高度一直是个难点。
In target tracking domain estimating the true altitude of a target from 3-d radar is always been a challenge.
在目标跟踪领域，通过三坐标雷达的测量值(斜距、仰角及方位角)来估算目标的真实高度一直是个难点。
In target tracking domain estimating the true altitude of a target from 3-d radar is always been a challenge.
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