Use to add up to 4 horizontal ordinate dimensions. Attach one endpoint to baseline and one to first feature.

用于添加多达4个水平坐标尺寸。将一个端点连接到基准线，一个端点连接到第一个部件。

youdao

The baseline vectors are solved with software GAMIT and the space coordinates determined with 3-d adjustment model. Horizontal coordinates are adjusted under different conditions.

基线由GAMIT软件解算，利用空间平差模型进行了三维坐标平差，平面平差则在不同的条件下进行。

youdao