普通的水流过一定强度的磁场就形成磁水。磁水浇灌农田可使农作物生长加快，产量提高，且经济实惠。
可以认为，磁水可能通过活化调节基因，控制过氧化物酶活性，从而能提高蕃茄的抗病力。
It is considered that magnetic water maybe regulates the tene by activation and controls the activity of peroxidase which can raise the disease resistance of tomato.
另外，磁处理水对单色光的折射率和吸收率随着入射光的频率不同而改变。
In addition, the magnetic waters refracting power and absorption rate are changing with the light frequency.
对水磁同步电动机的控制从外同步控制、自同步控制及弱磁控制等几方面进行了详细分析。
It is analyzed in details the control of permanent magnet synchronous motor in the light of external synchronous control, self synchronous control and weak magnet control.
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