GNSS外业观测数据质量检核中,重复观测基线较差不应超过( )。
A <img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251117/22417964_0.png"> B
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251117/22417964_0_1.png"> C
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251117/22417964_0_2.png"> D
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251117/22417964_0_3.png">