As navigator, Lovell took with him a sextant to take star readings - in case the computers failed and they had to find their own way home.
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20:02, 27 февраля 2026Наука и техника
以下是横向测评的结果，再次强调：，详情可参考夫子
中华文明从不固步自封，不断在交流互鉴的过程中汲取力量。通过资源网络分析与科技检测，考古学重塑了曾经跨越山河的和平交流之网。，更多细节参见下载安装 谷歌浏览器 开启极速安全的 上网之旅。
Letter to the European institutions