Xishuangbanna, Yunnan, the latitude and longitude coordinates are converted into Xi 'an 1980 coordinates.

According to the 3-degree band projection transformation, the result is:

1,X=2409094.984938,Y=409 192.596646,

2,X=2377335.05448 1,Y=62 109 1.743239,

3,X=239 1043. 170664,Y=482764. 109574,

4,X=2342627.856873,Y=459428.950344,