单词	Megger
释义	Megger /ˈmɛɡə / noun trademark An instrument for measuring the resistance of electrical insulation.Run a continuity to-ground test with a Megger tester, which patently says on the outside ‘Not to be used on computer equipment’... All Megger products meet the highest standards for quality, reliability and safety. The 13 Meggers lamps initially distributed in 1951 were capable of calibration to a precision of 1 part in 100 million, as opposed to the 1 part in 10 million possible with the standard meter. Origin Early 20th century: perhaps from megohm. Rhymes beggar, eggar, Gregor, mega
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