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单词 ab-
释义 ab-
A prefix attached to the name of a practical electrical unit to provide a name for a unit in the electromagnetic system of units (see electromagnetic units), e.g. abampere, abcoulomb, abvolt. The prefix is an abbreviation of the word ‘absolute’ as this system is also known as the absolute system . Compare stat-. In modern practice both absolute and electrostatic units have been replaced by SI units
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更新时间:2025/6/23 5:54:32