progressive sampling 中文意思是什麼
progressive sampling
解釋
漸進取樣- progressive : adj 1 前進的；漸進的，發展的；遞增的，累進的。2 進步的，上進的，進取的，改進的；進步主義的，進步...
- sampling : n. 1. 取樣（品），取標（本）〈指行動或程序〉。2. 樣品，標本。3. 剽竊拼湊歌曲。
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In this thesis, the critical components of pcs are analyzed and tested in detail. i present the scheme of reliability qualification test of capacitors, furthermore, analyze the sampling inspection scheme theoretically for capacitors and put forward the proposals to improve this scheme. for most of components in pcs with high reliability or long lifecycle, which need great investment of time and material for their reliability tests, this paper provides a new and effective statistical method for this kind of components - the progressive stress accelerated life testing with exponential distribution
可靠性試驗也是可靠性工程的重要組成部分，能源系統許多元器件為高可靠性、長壽命器件，且大部分是非標準器件，為保證整個系統的可靠性，必須對備選元器件進行可靠性試驗，本文對能源系統關鍵器件進行了詳細的試驗分析，給出了電容器的鑒定試驗方案，對其抽樣試驗方案進行了理論分析並給出了方案改進建議。 -
By comparing the calculation methods of chird number parity progression ratios parity progression ratios and based on the data of 1 national population sampling survey of 2000, this paper calculate the child number parity progressive ratios respectively by the variables of age, urban - rural and region to reveal the levels and distribution of the lifetime fertility of chinese women
摘要通過孩次遞進比計算方法的比較選擇，本文運用第五次全國人口普查1抽樣數據分別計算中國2000年育齡婦女的各年齡別孩次遞進比、城鄉孩次遞進比、區域孩次遞進比，揭示中國育齡婦女生育水平的分佈狀況。
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