rectilinear coordi-nate recorder

例句：

1. 1. The engineer used a rectilinear coordinate recorder to measure the distance between two points on the map.
   工程师使用直角坐标记录器测量地图上两点之间的距离。
2. 2. The scientist used a rectilinear coordinate recorder to study the movement of molecules ina liquid.
   科学家使用直角坐标记录器研究液体中分子的运动。
3. 3. The surveyor used a rectilinear coordinate recorder to plot the coordinates of the surveyed area.
   测量员使用直角坐标记录器绘制了调查区域的坐标。