PostScript的坐标系统将把原点(0,0)放置在页面的左下角,并且每英寸包含72个点。
PostScript's coordinate system puts the origin (0, 0) at the lower left corner of the page, and contains 72 points per inch.
那么,改变一下区域,把这块移到另一侧,我们得到对xdA的双重积分,是原点那的圆面积乘质心的x的坐标。
So, switching the area, moving the area to the other side, I'll get double integral of xdA is the area of origin times the x coordinate of the center of mass.
所以,这个点,坐标原点(0,0)在这条直线上。
And then in this case actually then X is 0. So the point, the original, the point with coordinates (0, 0) is on the line.
极坐标是关于r,θ的,用r,θ代替平面上一点的x,y坐标,是从原点到那一点的距离,,which,is,the,distance,from,the,origin,to,a,point,θ是由x轴逆时针旋转,而得到的夹角。
Remember that polar coordinates are about replacing x and y as coordinates for a point on a plane by instead r, r and theta,which is the angle measured counterclockwise from the positive x-axis.
我们还通过使用屏幕坐标(请参阅helpcoordinates ,获得关于不同类型坐标系统的讨论)设置原点来控制曲线图显示的位置。
We also control where the graph appears by setting the origin using screen coordinates (see help coordinates for a discussion on the different kinds of coordinate systems).
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.
WKT和SVG在坐标系中定义不同的原点。
WKT and SVG define different origins for the coordinate systems.
也可以把这种坐标,看成是空间中的极坐标,它其实使用了,距离原点的距离,然后用角度这种标尺,来确定了方向。
So, in a way, you can think of these as a space analog of polar coordinates because you just use distance to the origin, and then you have to use angles to determine in which direction you're going.
拖到绘图页上,然后将一个线端拖到坐标原点,一个线端拖到部件。
Drag onto the page, then drag one line end to ordinate origin and one to the feature.
由于我将立方体的中心点放在坐标系原点位置处,因此立方体的各边长应为 2 个单位。
Remember that I placed the cube's center at the coordinate system's origin; therefore, the cube's edges will be two units long.
我在这里使用了8个顶点(立方体的顶点)并使立方体的中心与坐标系的原点相重合。
I've used eight vertices (the cube's corner points) and placed the cube's center at the coordinate system's origin.
也可以dy,dx来划分,或者,对变量做一下变化,移动到原点,就是把x变成,然后再转化成极坐标。
We could do it dy dx. Or, maybe we will want to actually make a change of variables to first shift this to the origin, x-2 you know, change x to x minus two and then switch to polar coordinates.
第 109行是polyline元素的起点,它与坐标轴的原点重合。
In line 109, the polyline element is started, and an initial point is drawn at the origin of the axis.
尽管粒子是动态的(从原点移开),但额外的细节是由动态计算纹理坐标来表现体积纹理的不规则表现而产生的。
Although the particles are animating (moving away from the source), added detail is gained by animating the texture coordinates used to calculate the lookup in the the noise volume texture.
用于添加一个水平坐标尺寸。将一个端点连接到坐标原点,一个端点连接到部件。
Use to add a single horizontal ordinate dimension. Attach one endpoint to ordinate origin and one to the feature.
由于网格无限大,坐标原点就无所谓了,所给的坐标值都会介于0到1之间。
Because the grid is infinite, the origin is unimportant, and the coordinates will be Numbers between 0 and 1.
确定工件坐标系原点是数控加工中重要的一个步骤。
It is an important step to determine the origin of part coordinate system in CNC operations.
有一段时间我好像成了生命的坐标原点。不管我往哪儿一站,那儿就会充满了生机,可是我一无所有。
It seemed I am the origin of coordinates of life in a period, as the place I stepped on was filled with life and vigour, but I do not have anything.
在道德价值的坐标体系中,坐标的原点是“我”,我与他人,我与社会,我与自然,一切的关系都是由主体“我”而发射。
In ethical value's coordinate system, the coordinate zero point is "I", I with other people, I with the society, I with the nature, all relations am "I" launch by the main body.
方法:以股骨头、髋臼的中心为原点建立股骨及骨盆的右手正交坐标系,将髋关节周围起于骨盆的肌肉的股骨、骨盆附着点的三维坐标位置进行了测量定位。
Methods: By reference to the right-handed coordinate system, the three-dimensional positions of the femoral and pelvic attachment of the muscles related to the hip joint were all measured.
如果没有指定,坐标原点(0,0)在顶部边框形状的左上角。
If not specified, the origin coordinates are (0, 0) at the top left corner of the shape bounding box.
棋子矩形原点(左上角)的左方向坐标。
Left coordinate of checker rectangle origin (upper-left corner).
棋子矩形原点(左上角)的上方向坐标。
Top coordinate of checker rectangle origin (upper-left corner).
点的物理坐标是距离原点左上方的以像素为单位的实际偏移量。
The physical coordinates of a point are the actual offset in pixels from the top left of the origin.
将一个端点连接到坐标原点,一个端点连接到部件。
Attach one endpoint to ordinate origin and one to the feature.
请注意,页面坐标空间的原点在工作区的左上角,情况将总是如此。
Note that the page coordinate space has its origin at the upper-left corner of the client area; this will always be the case.
实现卧式加工中心机床在零件加工过程中,工作台任意角度旋转后,工件坐标系原点得到自动补偿与设定。
During machining on the horizontal machining center, the automatic compensate and setting of the workpiece coordinate origin is performed after the workbench's arbitrary Angle revolving.
结合生产实践中的零件,对其在加工中心上进行工件坐标系原点确定的几种主要方法及其应用进行了探讨。
It introduce some mainly methods and its' application of the part coordinate system origin on the machining center according to the products in practice.
用于添加一个垂直坐标尺寸。将一个端点连接到坐标原点,一个端点连接到部件。
Use to add a single vertical ordinate dimension. Attach one endpoint to ordinate origin and one to the feature.
其基本思想是仿射坐标架中的原点坐标带有两个可以在一定误差范围内变化的调整参数。
The basic idea is. the origin which has two adjustable parameters on the affine coordinate frame and the affine coordinate frame are both active.
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