VOA慢速英语2015.03.11 plants, called, levels, devices, computer

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"And then computer says 'go' and then it goes to the fields and dripping irrigation starts to work and we are going to kill plants. That's it." Computerized measuring devices called "sensors" controlled the water levels and the levels of salinity. Mr. Van Rijsselberghe says he was able to harvest vegetables from most of the eight test areas. _________________________ "电脑发出'开始'指令,就会开始灌溉土地,我们就将开始杀死植物.就是这样." 计算机测量装置叫做"感测器",控制水位和盐的水平度.Mr. Van Rijsselberghe表示,他可以从八块实验地里大获丰收很多蔬菜.______________________

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