Osculating circle at this point 此 点 的密切圆 Point by Coordinates 用座标定 点 Construct a segment ending at this point 构造终于此 点 的线段 ..
基于4个网页-相关网页
Coordinates of a single point are separated by commas and Spaces are used between points.
每个点的坐标以逗号隔开，点之间用空格隔开。
Whether derived from address information, acquired by GPS devices, or otherwise generated, many databases contain geographic coordinates of point locations as separate numeric columns in a table.
无论是从地址信息中推导出来的、由GPS设备获得的还是以其他方式生成的，许多数据库都包含点位置的地理坐标，这些信息在数据库中保存为单独的数字列。
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.
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。
应用推荐