It is possible in this new algorithm to deal with space frames without firstly delineating the basic determinate structure and the ensuing numerical computation is rather stable.
用该算法求解杆系结构可不必确定基本结构，且能获得稳定的数值解。
The observational accuracy of the space debris will affect their orbit determination accuracy, so it is especially vital for us to determinate the observational accuracy of the space debris.
空间碎片的观测精度将会直接影响到空间碎片的定轨精度，因此对空间碎片观测精度进行判定是有重要意义的。
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