野外工作固然繁重，实验室分析和案头工作量也是巨大的，占大量人力（人员），

来源: 技术员于 2023-05-25 14:27:58 [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.