Cohort study has a high clinical operation, but it is difficult to control bias.
队列研究临床可操作性高，但其控制偏倚差。
The integrated power and attitude control for a bias momentum attitude control system is investigated.
研究偏置动量姿态控制系统中的集成能量与姿态控制问题。
The integrated power and attitude control for a bias momentum attitude control system is investigated.
研究偏置动量姿态控制系统中的集成能量与姿态控制问题。
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