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单词
marginal checking
释义
marginal checking
marginal checking
[
′mär·jən·əl ′chek·iŋ
]
(electronics)
A preventive-maintenance procedure in which certain operating conditions, such as supply voltage or frequency, are varied about their normal values in order to detect and locate incipient defective units.
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更新时间:2025/3/21 0:47:43