亚洲一区欧美在线,日韩欧美视频免费观看,色戒的三场床戏分别是在几段,欧美日韩国产在线人成

In recent years, energy saving technology becomes more and more important in greenhouse in the world, due to the higher price of energy. Many greenhouse producers changed their produce mode and made the strategies more flexible. Wireless sensor network (WSN) is increasingly popular in the field of environmental monitoring due to its promising capability. WSN offers permanent online access to the environmental condition. The system integrated embedded technologies，GPRS and wireless sensor network. The large amount of data of greenhouse environment is acquired, and then communicated by the wireless sensor network. The design gives a new way to collect the data of environment instead of the traditional way using wires.