英语词汇“reference tube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	reference tube
释义	Definition of reference tube in English: reference tube noun 1A tube holding a sample to be used as a standard in an experiment, to which samples for testing are compared. 2Electricity a cold-cathode gas-filled tube which can maintain an accurately fixed voltage across itself for long periods. Origin Late 19th century; earliest use found in Nature: a weekly journal of science. Definition of reference tube in US English: reference tube noun 1A tube holding a sample to be used as a standard in an experiment, to which samples for testing are compared. 2Electricity a cold-cathode gas-filled tube which can maintain an accurately fixed voltage across itself for long periods. Origin Late 19th century; earliest use found in Nature: a weekly journal of science.
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更新时间：2025/1/9 17:30:26