The use of DC electricity is another source of static electric fields, e.g. rail systems using DC, and televisions and computer screens with cathode ray tubes.
使用直流电是产生静电磁场的另一个原因，例如铁路系统使用直流电，电视和计算机屏幕带有阴极放射管。
However, I had a catastrophic loss of source code when I inadvertently discharged static electricity on a hard disk that I used to archive code last year, and I lost it all.
不过，我有一个源代码灾难性的损失，当我无意中出院的硬盘上，我用代码来归档去年静电，我失去了这一切。
However, I had a catastrophic loss of source code when I inadvertently discharged static electricity on a hard disk that I used to archive code last year, and I lost it all.
不过，我有一个源代码灾难性的损失，当我无意中出院的硬盘上，我用代码来归档去年静电，我失去了这一切。
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