檢視三角高程测量的原始碼

[[File:三角高程测量.jpg|缩略图|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E4%B8%89%E8%A7%92%E9%AB%98%E7%A8%8B%E6%B5%8B%E9%87%8F&step_word=&hs=0&pn=7&spn=0&di=43340&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=3080157808%2C686148116&os=4128366877%2C3651214268&simid=0%2C0&adpicid=0&lpn=0&ln=781&fr=&fmq=1620133474020_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2Fwww.civilcn.com%2Fd%2Ffile%2Fcehui%2Fchlw%2F2017-03-01%2F4429e6cfad89e3f3cedb65012498970c.png%26refer%3Dhttp%3A%2F%2Fwww.civilcn.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1622725480%26t%3D470ab9946767cca885d8bfc68fb794e5&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bvtetsvg_z%26e3Bv54AzdH3Fvji7tAzdH3FvisoAzdH3F89bbnnb8b9dl9mdl_z%26e3Bip4s&gsm=7&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 原图链接][http://www.civilcn.com/cehui/chlw/1488338184294629.html 来自土木工程网]]]
'''三角高程测量'''是指通过观测两个控制点的水平距离和天顶距（或高度角）求定两点间高差的方法。它观测方法简单，受地形条件限制小，是测定大地控制点高程的基本方法。<ref>[https://www.sohu.com/a/237282018_755648  【绝对干货系列】全站仪三角高程测量及计算公式 ]搜狐</ref>