另一种选择，也就是我要选的那种，是转换坐标系，让这个点变成原点。
The other option, which is the one I will choose, is to change the coordinate so that this point become the origin.
但还是可以建立这个积分，然后转换到极坐标系下去求结果。
But still we could set this up and then switch to polar coordinates to evaluate this integral.
通常你转换到极坐标系下，有可能积分区域更容易建立。
I mean usually you will switch to polar coordinates either because the region is easier to set up.
在Spatial extender术语中，这是SpatialReferenceSystem (SRS)，它组合了基于地球的坐标系和一组数字转换参数。
In the terminology of the Spatial Extender, this is the Spatial Reference system (SRS), a combination of an earth-based coordinate system and a set of numeric conversion parameters.
您需要使用其他方法将该子元素从局部坐标系转换到内容坐标系。
You need some extra methods to convert that item from its local-coordinate system to its content-coordinate system.
注意，转换是从局部坐标系到全局坐标系，从而支持将控件放置到适当位置。
Note the translation that happens from the local-coordinate system to the global-coordinate system, enabling the appropriate placement of the control in question.
把它转换到极坐标系下。
根据坐标转换关系，可以获得飞艇在地面坐标系下的位置和姿态非线性方程组。
According to coordinate transforming relations the nonlinear equations containing the attitude and position of the airship in geographic coordinate system can be acquired.
视向量能够在全局坐标系中通过视点坐标减去表面坐标来创建，并且要把结果转换到切线空间中。
The eye vector can be created in global coordinates by subtracting a surface position from the eye position and transforming the resulting vector into tangent space.
在测量工作中，常需要进行平面坐标系之间的转换计算工作。
We often have to finish the work of transformation between Rectangular Plane Coordinate Systems.
针对纤维增强复合材料的属性特点，应用坐标系转换原理推导出通孔法测量复合材料残余应力时的应力释放系数公式。
The relieved coefficients during the measurement of the residual stresses in the fiber reinforced composites by the hole drilling method were given with conversion of the two coordinate systems.
介绍压力容器上实体元素的测量，测量坐标系的建立与转换，以设计基准评定制造精度。
Introducing method of measuring the points on the pressure vessel, establishing and transforming coordinate systems, estimating accuracy of manufacture with design standard.
搜索波束稳定技术及相关坐标系转换是装备了车载搜索雷达的自行防空武器系统的关键技术之一。
The search beam stabilization technique and the concerned coordinate system conversion are key techniques of self-propelled antiaircraft weapon system equipped with the vehicular search radar.
通过建立齿面坐标系及相应的坐标转换阵，使用了一种能准确计算齿轮载荷分布的方法。
Through the coordinate systems of gear profile and the corresponding matrices of coordinate transformation, the load distribution of external or internal helical gears can be exactly determined.
基于时空坐标转换理论而研制的时栅位移传感器实现了以时间测量空间，但关键是要构建一个以恒速V运动的坐标系。
Time grating displacement sensor is working on theory of time-space coordinate transformation, which need constitute a moving coordinate with constant velocity V.
首先对测量卫星平台姿态所需要的几种坐标系及其相互之间的转换关系进行了论述。
First of all, this part describes some coordinate systems and the transform relationships between of them.
应用一种新的随动坐标系转换方法，给出用于转换生物组织中光子空间传输坐标的矩阵方程。
A new transformation method for follow-up coordinate system is used and a matrix equation for transforming spatial transporting coordinate of scattering photons is given.
GPS测量得到的是WGS- 84坐标，而实用上需要的是地方坐标系坐标，因而得把WGS - 84坐标转换地方坐标系坐标。
From GPS surveying the WGS-84 coordinates are acquired, while in reality coordinates in local coordinate system are needed, so conversion from WGS-84 coordinates to local coordinates is necessary.
针对机动目标跟踪中常见的量测转换问题，提出了一种基于球坐标系下最优线性无偏估计滤波的交互多模型算法。
Aiming at the problem of measurement conversion within the target tracking, a new algorithm combined best linear unbiased estimation with interacting multiple model methods is derived.
信息对准的任务就是确定这两个坐标系之间的相对关系，进而把所有的信息转换到一个共同的坐标基准之下。
Coordinate alignment is the process to determine the relative relations of these two coordinate systems, then convert all the information into a common one.
提出了运用向量法建立空间局部坐标系与整体坐标系的转换关系，从而使趾板坐标计算简捷方便，且易于设计修改。
It is suggested that transformation relation between spatial local coordinate system and integral coordinate system be established by vector method, which simplifies coordinate calculation of to.
忽略作物生长高度，建立了单目视觉条件下，从图像坐标系到作物生长平面坐标系的转换模型。
The translation model between image and crop row coordinate under monocular vision was set up, ignored the height of row crop.
大地坐标系之间的转换一直是导航领域十分关注的课题。
The transformation among the geodetic coordinates is a very important topic in the field of navigation.
手持GPS使用的坐标系统是WGS- 84坐标，在普通测量中，可使用5参数法转换到54北京坐标系或80国家坐标系。
The coordinate system GPS handset used is WGS-84 coordinate system, in ordinary surveying, 5 parameters method can be used to converse it to 54 Beijing or 80 state coordinate systems.
对两坐标系的转换矩阵、标定方法和标定精度进行研究。
The transformation matrix, calibration method and precision of the coordinate system were investigated.
将雷达转换为姿态角不断变化的目标体坐标系下一点，研究雷达视线在目标体坐标系下的方位和高低角。
Considering radar as a point in variational target body coordinate, we can study the azimuth and elevation of line of sight of radar in target body coordinate.
另外，我们通过全局和本地坐标系中观测角度的转换实现了倾斜调制。
In addition, tilt modulation was simulated through the observation Angle transform between.
在研究叶轮机械转动部件非定常旋涡脱落频谱特性时，难以避免会遇到旋转坐标系向绝对坐标系转换的问题。
The problem of altering the rotating coordinate system to absolute coordinate system is often encountered when the frequency characteristics of unsteady vortex shedding in turbine engine is studied.
在研究叶轮机械转动部件非定常旋涡脱落频谱特性时，难以避免会遇到旋转坐标系向绝对坐标系转换的问题。
The problem of altering the rotating coordinate system to absolute coordinate system is often encountered when the frequency characteristics of unsteady vortex shedding in turbine engine is studied.
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