| EXAMPLE SENTENCES | ||
|---|---|---|
我们有直角坐标系，有柱坐标系和球坐标系。 We have rectangular coordinates, we have cylindrical coordinates and we have spherical coordinates. | ||
分析和计算的空间问题，一般可采用两类坐标系：笛卡儿直角坐标系和极坐标系。 There are two kinds of coordinates, Cartesian coordinates and polar coordinates, with which spatial issues are analyzed and calculated. | ||
或者还是用极坐标系，这比直角坐标系更好。 Or I can use polar coordinates,and it works a little bit better that way. | ||
把它转换到极坐标系下。 And I would like to switch that to polar coordinates. | ||
实际上，在坐标系中做会方便一点。 Actually, there is a better way to do it in coordinates. | ||
那用什么坐标系来计算这个积分呢？ What coordinates do we use to compute this integral? | ||
要按照距离进行查询，必须使用投影坐标系。 To query by distance, you must use a projected coordinate system. | ||
怎么在坐标系中计算呢？，或者说，怎样用分量来做呢？ How do we do the calculation in coordinates, or I should say using components? | ||
结论眉间-枕外粗隆可作为三维体表坐标系。 Conclusion Glabella-external occipital protuberance line coordinate systems on body surface are available. | ||
根据卫星星历和时间数据计算卫星在天球坐标系中的坐标。 Based on satellite ephemeris and time data of the satellite coordinates of the celestial coordinate system. | ||
