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(The outer space seed is refers to the farm crops seed to leave the Earth, rides on the spacecraft, in the outer space movement, in the microgravity, the perfect vacuum, ultra pure, the strong radiation and the great temperature difference space roams through certain time, the seed gene has the hereditary change. After returns to the Earth, cultivates after the ground four after eight generations. Thus obtains the stable high production, precocious, the disease-resistant strong high quality farm crops seed.)