采用高速振动头同步振动，保证在振动时各部位的产品受到的力的情况一致，并延长试验机的寿命及故障率的降低。
Use high speed oscillation cobbra , ensure all parts of products have same strength during oscillation , prolong tester lifespan, decline failure rate.
现有的分层抽样算法中故障率数据不准确是导致测试性验证试验结果不可信的一个原因。
Inaccuracies in the present proportionate stratified sampling algorithm based on fuzzy failure rate data is one main cause which makes the testability demonstration results untrustworthy.
现有的分层抽样算法中故障率数据不准确是导致测试性验证试验结果不可信的一个原因。
Inaccuracies in the present proportionate stratified sampling algorithm based on fuzzy failure rate data is one main cause which makes the testability demonstration results untrustworthy.
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