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Earthworks zero line is determined by constructing the spatial gridding curved surface model of the original terrain and the field leveling design terrain by digital elevation mode. The DEM data of original terrain are obtained by actual measurement. The mathematical correlation is deducted to demonstrate the relationship between the coordinates of any point on spatial line and the direction cosine by the spatial linear equation. DEM data obtaining program is compiled by Fortran9.0 and it is applied automatically to obtain the DEM data of field leveling design terrain.

目的 利用数字高程模型(digital elevation model， DEM)构造原始地形和场平设计地形的空间网格曲面模型，确定土方工程中的零线方法通过实测提取原始地形DEM数据；依据空间直线方程，推导空间线段土任意点的坐标与方向余弦的数学关系式，采用Fortran90程序设计语言编写DEM数据提取程序，自动提取场平设计地形DEM数据；应用Surfers8.0和MapInfo软件构造规则的网格空间曲面模型并导出网格节，点数据；擦除场平设计范围外数据。

On moving base, a new initial alignment algorithm for strapdown inertial navigation system is proposed. In the algorithm, two special inertial frames, the initial-time inertial frame (i0 frame) and the initial-time SINS body inertial frame (ib0 frame), are defined and are selected as calculation reference frames, then, the calculation of initial alignment direction cosine matrix is expanded into three parts:(1) the DCM between i0 frame and the navigation frame will be easily obtained via local geographical coordinates and initial alignment time;(2) attitude updating using gyro samples gets the DCM between SINS frame and ib0 frame;(3) by explaining SINS specific force equation in SINS body frame, the relation between velocity log, accelerometer measurement and gravity acceleration is established to achieve the constant DCM from ib0 frame to i0 frame.

在运载体运动情况下，提出了一种适用于捷联惯导系初始对准的新算法，该算法以惯性空间为参考基准，即建立了初始时刻惯性坐标系（i0系）和初始时刻捷联惯组惯性坐标系（ib0系）两个惯性坐标系，将初始对准姿态矩阵的实现分解为三部分：（1）通过地理位置和初始对准时间求解i0系至导航坐标系的变换矩阵；（2）使用姿态更新算法实时计算捷联惯组相对于ib0系的变换矩阵；（3）通过惯导比力方程变形，获得测速仪辅助测量、加速度计输出和重力加速度之间的关系，从中可以求解出从ib0系至i0系的常值变换矩阵。

The method on calculating the coordinates of mouse-down points of modeling space and the distance between the two points is proposed.

给出鼠标在屏幕上按下点的造型空间坐标和2点间距离的计算方法。

Using agents, DMI also coordinates messages between a PC's firmware and the network management console.

利用代理，DMI也在PC机固件与网管控制台之间协调信息。

Area coordinates and general Duffycoordinates are employed to transform the singular integrals of the Time-Domain Electric Field Integral Equation into non-singular integrals, which can be accurately and efficiently evaluated by dividing the transformed domain of integration into sub-domains.

摘要该文首先利用参数坐标和广义Duffy坐标变换将时域电场积分方程的奇异性积分转换成非奇异性积分，然后根据时间基函数的特点将该积分转换成可以快速精确计算的分区域积分。

Much of what we've done, we can't talk about,' said Ray Dotter, a spokesman at PJM Interconnection LLC, which coordinates the movement of wholesale electricity in 13 states and the District of Columbia.

PJM Interconnection LLC发言人多特说，我们不能透露已经采取的诸多措施。这家公司协调着美国13个州和华盛顿特区的批发电力。

If this is the case, then it might be that the place where the program put the object is an area which is used by the program code itself, If this data is not really a drawable object but rather an executable code, the fact that it was put (because of the illegal coordinates) outside the region which belongs to data, and in a region which belongs to the program, might cause this code to be executed.

如果是这样的话，那么它可能是地方节目，把对象是一个地区，是由程序代码本身，如果这个数据是不是真正的可绘制对象，而是一个可执行代码的，但事实上，这是把以外的地区属于数据，并在一个地区，其中属于该计划，可能会导致这样的代码被执取消。

Ode itself, If this data is not really a drawable object but rather an executable code, the fact that it was put (because of the illegal coordinates) outside the region which belongs to data, and in a region which belongs to the program, might cause this code to be executed.

颂本身，如果这个数据是不是真正的可绘制对象，而是一个可履行代码的，但事实上，这是把以外的地域属于数据，并在区域属于该计划，可能会导致这样的代码被履行取缔。

Each program consists of the following three modules: The first one is the program of managing and driving the dialog box, which can adjust the input parameters of the dialog box; The second one is the calculating program, which can calculate the coordinates of the points in the unfolding drawing. The parameters used in the second module are obtained from the first module. The third module is drawing module.

每一段绘图程序都由三个模块构成，第一模块为对话框管理和驱动程序并对对话框输入的参数进行回调；第二模块为计算程序，利用上面回调所得到的参数，再根据上面得出的计算公式，计算展开图上各点坐标；第三模块为绘图模块。

Professor Eddington knew the coordinates Father intended to investigate next, but did not know how he had determined them or if he had confirmed the existence of a ruin at the location.

埃丁顿博士知道我父亲所调查的每一个进展，但却不知道为什么父亲在那种很难生存的废墟中仍在坚定不移的寻找。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。