Methods To avoid floating point overflow, we calculate the input value according to the maximum of floating-point number and get corresponding integration step at a given level N.
方法为了避免浮点数溢出，我们由浮点的最大值作为输入参数，然后根据积分级数N计算出积分步长。
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The results show that a maximum radiation is achieved at suitable gas ratio and pressure under a constant input power level.