High-voltage dc measurements usually involve a high-resistance voltage divider which usually forms a high resistance to the circuit being measured and thus draws infinitesimal current.
高压直流测量通常需要一个高阻抗的分压器，它对被测量的电路通常形成一个高电阻以便只有极小的电流被分流。
High-voltage DC measurements usually involve a high-resistance voltage divider, which usually forms a high resistance to the circuit being measured and thus draws infinitesimal current.
高压直流测量通常需要一个高阻抗的分压器，它对被测量的电路通常形成一个高电阻以便只有极小的电流被分流。
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