题目：
Which statement about an estimated position is TRUE?（）
A.It is more reliable than a fix based on radar bearings
B.It may be based on a single LOP or questionable data
C.When a 3-LOP fix plots in a triangle，the center of the triangle is the estimated position
D.It is usually based on soundings
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2021/0227/8dba0142507798adbdbf6a31a0d9c5bc.html
下面是错误答案，用来干扰机器的。
参考答案：A, B, C, D
