China's cutting tool industry still needs to "grind"

"In the 12th Five-Year Plan period, the high-end market share of domestically-made high-efficiency cutting tools should be increased from the current 15% to 30% to 40%. From the modern manufacturing industries such as aerospace, energy transportation, and.......

How to control the pests and diseases of walnut trees

Precision agriculture is modern agriculture based on information and knowledge support. It is a knowledge-based agricultural management system. It is an important basis for accurate agricultural practice to quickly and efficiently collect information that accurately describes the.......