| 单词 | 坐标 |
| 释义 | 〔rectangular〕Designating a geometric coordinate system with mutually perpendicular axes.直角坐标的：表明是具有相互垂直的轴的几何坐标体系的〔quadrant〕Any of the four areas into which a plane is divided by the reference axes in a Cartesian coordinate system, designatedfirst, second, third, and fourth, counting counterclockwise from the area in which both coordinates are positive. 象限：在笛卡尔坐标系中，被坐标轴分开的平面中的四个区域的任一个，命名为第一，第二，第三 和 第四， 从此象限逆时针计算坐标为正数 〔centroid〕The point in a system of masses each of whose coordinates is a weighted mean of coordinates of the same dimension of points within the system, the weights being determined by the density function of the system.质心：质量系统内一点，其重量坐标是该系统内同维数上所有点坐标的平均值，重量由该系统的密度值决定〔plot〕To locate (points or other figures) on a graph by means of coordinates.标示位置：通过坐标来定出（点或其它图形）在一张平面图上的位置〔ephemeris〕A table giving the coordinates of a celestial body at a number of specific times during a given period.星历表：一张给出一定时期内一个天体在一些特定时间的坐标的表〔slope〕The rate at which an ordinate of a point of a line on a coordinate plane changes with respect to a change in the abscissa.斜率：坐标平面上一条直线上一个点的纵座标随横座标的变化而变化的比率〔graph〕A diagram that exhibits a relationship, often functional, between two sets of numbers as a set of points having coordinates determined by the relationship. Also called plot 图：表示两组数的关系，通常为函数关系的图，如由这种关系确定一系列有坐标的点 也作 plot〔Hamiltonian〕A mathematical function that can be used systematically and with great generality to generate the equations of motion of a dynamic system, equal for many such systems to the sum of the kinetic and potential energies of the system expressed in terms of the system's coordinates and momenta treated as independent variables.汉密尔顿函数：一个数学函数，它可以被用来系统地、概括性地列出一个运动系统的动力变化率，以作为独立变量的该系统的坐标和动量来表示该系统的动能和势能的和〔Descartes〕French mathematician and philosopher. Considered the father of analytic geometry, he formulated the Cartesian system of coordinates. His philosophy is based on the rationalistic premise "I think, therefore I am.”笛卡尔，莱恩：(1596-1650) 法国数学家，哲学家，因将笛卡尔坐标体系公式化而被认为是解析几何之父。他的哲学思想基于唯理性的前提“我思故我在”〔coordinate〕Of or based on a system of coordinates.坐标：坐标系的或基于坐标系的〔dimension〕One of the least number of independent coordinates required to specify uniquely a point in space or in space and time.次元：需要确定在空间或空间与时间中唯一一点的最小独立坐标数之一〔semilog〕Semilogarithmic.（坐标纸或坐标图）半对数的〔parity〕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〔curve〕The graph of a function on a coordinate plane.曲线图：一种能在坐标平面上表示某一函数的图形〔plot〕To be located by means of coordinates, as on a chart or with data.标示于图表上：在一张平面图上或对数据通过坐标进行确定〔affine〕Of or relating to a transformation of coordinates that is equivalent to a translation, contraction, or expansion with respect to a fixed origin and fixed coordinate system.仿射的：与一个固定原点及固定坐标系有关的等价于平移、收缩或展开的坐标变换式的，与其相关的〔trace〕The point at which a line, or the curve in which a surface, intersects a coordinate plane.交点，交线：线与坐标平面相交的点或一表面与坐标平面相交的曲线〔zero〕An argument at which the value of a function vanishes.（坐标的）起点：函数自变量的值等于零〔surface〕The two-dimensional locus of points located in three-dimensional space.坐标点集合：位于三维空间中的二维点的轨迹 |
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