Tài nguyên được gắn thẻ với: Surveying
2 đề mục được tìm thấy (Hiển thị 1 - 2)
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20-01-2005 Agrodok 6 117 p., illustrated
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01-01-1990 The majority of farmers in the world still practise some form of subsistence farming. Their draught-animal and handwork-based farming practices, however, cannot be compared with the completely mechanised and highly automated precision-farming practices that are becoming the norm for many of their...
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