To bring reflection, human civilization on earth is in progress, or in a swim?
这不得不让人反思，人类文明究竟是在进步，还是在倒退？
Remote sensing information is the synthetical reflection of the earth surface with definite scale space.
遥感信息主要反映的是地球表层信息。
Remote sensing information is the synthetical reflection of the earth surface with definite scale space.
遥感信息主要反映的是地球表层信息。
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