Nutation Earth Explore Environmental by Nan (1 results)

paperback. Condition: New. Paperback. Pub Date: Jun Pages: 188 Language: Chinese in Publisher: the Earth nutation Guangdong Economic Press (exploration) environmental changes occur frequently and showed an increasing trend of natural disasters and environmental destruction. deep a sense of anxiety. The face of today's science to the Earth environmental issues there are all kinds of stories. many theories have so far in exploring. I produce intense remorse heart and thirst for knowledge. has studied the theory of modern. …