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    [科技报告]   wesler, j. e.        共11页
    摘要 : Tests were performed to determine any adverse effect from the use of a 'switching'voltage regulator on the performances of marine signal lamps and air-depolarized primary batteries,commonly used in minor lighted aids to maritime n... 展开

    [科技报告]   Wesler, J. E.        共2页
    摘要 : One SNAP-7A system was evaluated for approximately four years since its original delivery by the contractor. The performance of the SNAP-7A system deteriorated much more rapidly than predicted, so that its performance after four y... 展开

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