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Category: 201906
Reference to nanotechnology for stone conservation
There are standards for the use of pesticides before the market for vegetables.
The first domestic marine coating laboratory was established
London builds the world's first airport for IoT
Research on beam welding technology
IBM's new solar power generation technology improves efficiency by 2,000 times
The lock industry is developing fast and the lock industry is facing the following major problems.
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Cultivation techniques of Bawangmei