张弛从“谁规划营建了凌家滩”的追问出发，循着聚落格局、祭坛墓葬分布等多方材料，一步步揭示了5500多年前凌家滩先民惊人的城市规划意识和超大规模的社会动员能力。
68.4%52/76 picks
，这一点在91视频中也有详细论述
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The free version is ideal for basic spelling and grammatical mistakes, but it does not correct advanced writing issues.