求翻译：为了对自然界地闪产生的水平电场进行观测，采用新近研制的差分式LEMP电场仪，进行了试验研究和标定，并对自然雷电在地面附近产生的水平电场进行了测试。基于对本电场仪测量原理的进一步分析，提出一种可在预设闪电极性的情况下实现闪电定向的方法。试验结果表明，本电场仪测得的地闪水平电场波形不仅有效地抑制了共模干扰，且可用于对地闪的定向。是什么意思？

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In the natural world in order to have a flash of the horizontal electric field observations, with the newly developed differential LEMP Corona, conducted a pilot study and calibration, as well as to natural lightning near the ground level of the electric field test. Based on the theory of electric f

In order to dodges the horizontal electric field to the nature which produces to carry on the observation, uses difference type LEMP electric field meter which recently developed, has conducted the experimental study and demarcates, and the horizontal electric field which produced nearby the ground

Flash horizontal field observations of the natural world, using newly developed difference of LEMP electric field instrument, test and calibration, and natural lightning tested near the ground level of the electric field. Further analysis based on the principle of electric field measurement, make a