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单词 alpha-tester
释义

Definition of alpha-tester in English:

alpha-tester

noun ˈalfəˌtɛstə

  • 1Electronics. An instrument for ascertaining the ratio of the change in collector current to the corresponding change in emitter current in a transistor in a common-base configuration (the common-base current gain, symbol α). Now disused.

  • 2Chiefly Computing. A person who performs alpha tests.

Origin

1950s. From alpha + tester; in sense 1 with allusion to α as a symbol for current gain in a transistor.

Definition of alpha-tester in US English:

alpha-tester

nounˈalfəˌtɛstə

  • 1Electronics. An instrument for ascertaining the ratio of the change in collector current to the corresponding change in emitter current in a transistor in a common-base configuration (the common-base current gain, symbol α). Now disused.

  • 2Chiefly Computing. A person who performs alpha tests.

Origin

1950s. From alpha + tester; in sense 1 with allusion to α as a symbol for current gain in a transistor.
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更新时间：2025/1/14 5:31:02