分为助推段
It is divided into the boosting section
以上为机器翻译结果，长、整句建议使用 人工翻译 。
将再入航迹分为助推加速段和无动力滑翔段分别优化，从而得到优化航迹。
The trajectory was divided into boost phase and glide phase, which were optimized respectively and the optimal trajectory was obtained.
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