坐标原点

Due to the continuous movement of the laser beam, a local coordinate system centered on the laser beam is used to simplify the analytical calculation.

考虑到激光束的持续移动，采用了坐标原点位于光斑中心的动坐标系来简化方程的求解计算。

Drag onto the page, then drag one line end to ordinate origin and one to the feature.

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。

Attach one endpoint to ordinate origin and one to the feature.

将一个端点连接到坐标原点，一个端点连接到部件。

Distance from the origin of coordinates to the end point of PCB.

坐标原点与PCB终点之间的距离。

Neither the distance between part trim point and origin of coordinates nor the clearance of base surface should be less than 100 mm.

产品边缘与坐标原点的距离和底板上平面的空隙距离均应不小于 100 mm。

Many experiments are conduct to verify the poor performance of standard PSOon the functions whose optimum values are not in the origin of coordinates or the center of search area.

文章首先通过大量的仿真实验，验证了标准微粒群算法对那些最优值远离坐标原点和搜索区域中心的测试函数没有较好的仿真效果。

An intrinsic symmetry property of subatomic particles that is characterized by the behavior of the wave function of such particles under reflection through the origin of spatial coordinates.

本质均衡性亚原子粒子的本质平衡性，以其波函数在通过空间坐标原点的反射下的移动状况为特征

Information on PCB outer dimensions, origin of coordinates, BOC mark position, and other items related to PCB.

PCB外部尺寸、坐标原点、BOC标记位置及其它PCB相关信息。

It can be translated into a Riemann-Hilbert problem by means of self-similar functions, and the universal representations of analytical solution were obtained when there is $Pt / x$ or $Px^3 / t^2$ load at the origin of the crack coordinates.

采用自相似函数的方法可以轻易地将所论问题转化为Riemann-Hilbert问题，并求得了裂纹坐标原点分别受到变载荷$Pt/ x$，$Px^3 /t^2$作用下的解析解的一般表达式。

The results show that using the theory of complex functions, the problems discussed can be easily translated into Riemann-Hilbert problems. Analytical solutions of the displacements, stresses and dynamic stress intensity factors under the action of increasing loads Px/t and Pt^3/x^2 situated at the origin of the coordinates of propagation crack, are gained by self-similar approaches.

研究结果表明：利用复变函数论方法，将所讨论的问题转化为Riemann-Hilbert问题；通过自相似方法，求得纤维增强混凝土的动态扩展裂纹的坐标原点分别在增加载荷Px/t和Pt^3/x^2作用下的位移、应力和动态应力强度因子的解析解。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。