Eight characteristics of CDMA school server monitoring …

Nowadays, the technology of communication and video surveillance is constantly developing, and wireless video surveillance is also becoming more and more widely used in the market. The corresponding CDMA school-time server monitoring solution also appears in the people's field of vision. The fo-----

Rock Drilling Technology Leading

Clothes Airer&Clothes Dryer Clothes Dryer: Clothes Dryer, also known as drying racks, as people daily use of household items, has now become a lot of family necessities of life. I-----

Differences in soil nutrient uptake by different crop r…

In the intercropping of different crops in agricultural cultivation, there is inevitably a competition among species, including competition for soil nutrients and water resources. These competitions are mainly divided into ground competition and underground competition. Because the physi-----

Area measuring instrument GPS positioning more convenie…

The measurement of land area is often performed by the land department. The boundary point method is commonly used to calculate the area of ​​the enclosed area of ​​the block coordinates on the projection plane. The projection plane used in China is usually a -----