按照气候规律，每年的4至9月是我国雷雨比较集中的季节。冒雨降临时一般都伴随着电闪雷呜（这种电闪雷鸣有时因声音和光亮不太显著而被人忽略），倘若防雷措施不得力．较容易出现雷击事故。随着电脑的逐步普及，电脑的防雷问题也日益突出。有关资料显示，雷击灾害是造成电脑硬 According to the law of the climate, every year from April to September is the season in which thunderstorms are more concentrated in our country. Fall rain is generally accompanied by thunderstorms lightning (this thunder and lightning is sometimes not obvious because of the sound and light is neglected), if the lightning protection measures are not effective. More prone to lightning accidents. With the gradual popularization of the computer, the problem of the lightning protection of the computer has become increasingly prominent. Relevant data show that lightning strikes are caused by computer hardware