为了满足求解此问题的时间、空间要求，寻找某个次优的、可有效计算的可行解成为自然而合理的办法。启发式方法就是基于这一思想所设计出的。
For satisfying the requirements of the time and space, it is reasonable and natural to compute certain sub-optimal feasible solution, and heuristic methods are designed based on such an idea.
结论计算机步态分析系统指导步行训练可有效地矫正或改善偏瘫步态。
ConclusionThe gait training guided with the computer-aided gait analysis system is more effective on the recovery of hemiplegic gait.
实测数据计算结果表明，选优后的误差修正模型可有效提高目标定位精度。
Computation results with flight experiment data indicate that the error correction models effectively increase rocket positioning accuracy after optimization.
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