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Aiming at the defects of the existing technology for Pleurotus eryngii cultivation environment monitoring system in Ningxia Pengyang County, such as: transmission of the data is not stable, small monitoring range and the sensors cannot move conveniently, only the environmental data in a fixed position within each mushroom shed can be collected, need to lay a lot of cables between the collector and...
Aging and degradation of transportation infrastructure pose significant safety concerns, especially in light of increased use of these structures. The economic downturn further exacerbates such concerns, especially for critical structures such as bridges, where replacement is infeasible and maintenance and repair are expensive. The US Federal Highway Administration has classified over 25% of the bridges...
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