Parameterization of physical processes for hailstone growth .
冰雹生长物理过程参数化研究。
The number of culturable bacteria was found to be highest in the inner cores of the hailstone .
结果发现越接近冰雹内核,可被培养的细菌数量越多。
The results showed that on july 9 , the charge of ground electric field mainly in positive charge at the time of hailstone weather , and the lightning discharge track of ground electric field had the characteristics of discreteness , concentricity and linearity .