When three baselines are used, during the maneuver of the vehicle, the baselines that are nearly orthogonal can estimate the attitude better than other frames of baselines.

当使用三基线的天线阵时，在飞行机动较大的情况下采用近似正交布局的天线结构可以更好地估计姿态。

youdao

Most markers returned to baseline levels by three days after the minimally invasive surgery, whereas they required seven days to return to baselines levels after the open surgery.

行微创手术患者的大多数标记物于术后3天恢复至基线水平，而开放式手术后患者恢复至基线水平需要7天。

youdao

As I noted yesterday, the plan is almost impossible to analyze given its lack of specifics and, shall we say, flexible use of budget baselines (it uses at least three).

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