Objective To probe distribution and excreting cells of type I collagen in rat heart.

目的探讨I型胶原在正常大鼠心脏的分布和分泌来源。

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Extreme type I isn′t equal to be probability distribution of cohesion and internal friction angle of clinosol and residual cohesive soil surrounding rock.

极值I型分布不适宜作为坡残积黏土质围岩黏聚力、内摩擦角的概率分布；

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A sampling inspection plan for the failure rate of GBVE distribution with the test statistic of total experimental time based on Type I censoring is presented.

本文给出了制定定时截尾寿命试验下指数分布产品失效率的抽样检验方案的一个新方法，检验统计量是总试验时间。

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