也说接地与接地电阻

Also Giving Opinions on Earthing and Earthing Resistance

接地可分为与大地连接、与替代大地的导体连接两种方式。对接地电阻数值提出要求时,应考虑异常电流所呈现的频率特性,还应考虑防电击的要求,以期提出较合理的接地电阻值,不要一概而论。

Earthing can be divided into two forms：connecting earth and connecting conductor substituted for earth.When earthing resistance value required,frequency performance of lightning current and requirements against electric shock should be take into consideration.Only thus a reasonable earthing resintance value can be attained.