关于拉式系统模型的研究文献很多，但它们往往忽略生产过程零部件缺陷的存在或者直接假设缺陷水平为零。
There are lots of articles researching on pull system model, which often neglecting the defect of parts or assuming the defect level equals to zero directly in production process.
目前，多数系统可靠型模型的建立，皆假设系统由相同的零件组成或者认为系统的所有零件承受相同的载荷。
Most reliability models are developed on the assumption that the systems consist of the same parts and all the parts bear the same load.
分析了柴油机零维、准维燃烧模型的基本原理和假设；
The basic principle and hypothesis are analyzed on the Z D and Q D combustion models of the diesel engine.
在假设应力和强度服从正态分布的条件下，讨论了零件可靠性设计的基本方法———应力-强度干涉模型及相关计算公式。
Therefore, a stress-strength interference model for the reliability calculation of rock mass under two-end truncated probability distribution was proposed with the help of distribution theories.
该模型以发电厂商的期望收益最大为目标，采用零和二人混合对策描述竞价问题，并假设市场电价符合正态分布。
The aim of the model is maximizing its expected income. It describes the bidding problem with zero-sum and two-person mixed strategy and proposes the market price according to normal distribution.
本文推演了城市系统中在人口零增长假设条件下的人口迁移理论模型；
This paper deduces a theoretical population model in a urban system under a hypothetical condition of zero population growth (ZPG), and analyses the population dynamics for the model.
本文推演了城市系统中在人口零增长假设条件下的人口迁移理论模型；
This paper deduces a theoretical population model in a urban system under a hypothetical condition of zero population growth (ZPG), and analyses the population dynamics for the model.
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