Framing a feasible test plan to evaluate the working life reliability of such components within limited test period is urgently required in engineering practice.

工程中迫切需要制定合理可行的验证试验方案，在有限的试验周期内验证产品的可靠性是否符合指标要求。

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The program goes beyond limited test-drive or quick-return programs extant at other brands, Perry said.

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After the 1963 Limited Test Ban Treaty, the United States conducted all such tests underground.

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The FAA has also approved limited test flights for two aircraft to test the changes in the batteries.

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