triple-frequency combination
...三频组合；单站评估[gap=1523]n satellite system (BDS); on-board clock; short-term stability; carrier doppler; triple-frequency combination; single station estimation..
基于1个网页-相关网页
triple-frequency combination
三频组合
以上为机器翻译结果，长、整句建议使用 人工翻译 。