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Daily glass of milk can reduce bowel cancer risk, study reveals 研究显示每天喝一杯 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
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18 天
遥感与航空摄影的历史概述
遥感是一门艺术和科学,它涉及从远处对地球表面物体进行观察和测量。根据这一定义,航空摄影被视为遥感领域的一部分。术语“遥感”最早由美国海军研究办公室的Evelyn L. Pruitt在1960年提出。然而,早在“遥感”这一术语出现前的102年,即1858年,第一张航空照片就已经被拍摄下来。在卫星和微型计算机成为遥感领域的主导技术之前,人们就已经开始从远处拍摄地球表面的照片。这一过程充满挑战,许多人冒 ...
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