因为现代科学要学到用到的东西越来越多，周期也越来越长，想出好结果只有这样

来源: STEMkid 于 2025-10-26 11:45:00 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.