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Experiment 4:“实验4”放电钢球与“氢气球”的距离分析非对“氢气球”的放电引起升力现象

"Experiment 4" shows that, according to the analysis of the distance between the discharge steel ball and the "hydrogen balloon", it is not the lift phenomenon caused by the discharge effect of the discharge body on the "hydrogen balloon"

“实验四”表明，根据放电钢球与“氢气球”的距离分析，不是放电体对“氢气球”的放电作用引起的升力现象；

Zhou Jianghua's research on the discharge flying saucer: increasing the distance between the discharge body and the hydrogen balloon, showing the factors that eliminate the discharge of the discharge body to produce lift on the action of the hydrogen balloon, Basic Experiment 4 in 2007