新策略系统排队服务模型特点；

The features of new strategy system line up service model;

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本文主要介绍树脂基复合材料固化计算机模型研究目的，模型特点，进展及存在问题。

The article introduces mainly research goal, mould peculiarity, development and existent problem of resin-matrix composite.

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本文综述临界负荷的概念、意义，主要计算模型特点及存在问题，并讨论了模型在中国利用的可能性。

The author summarizes the concept, meaning of critical loads, characteristics of main models and the existing problems. The probability of using in China is also discussed.

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This is a feature of DNA shown in this cartoon form, so if you can keep that sort of schematic in mind, it makes it a lot easier to understand the detailed structure.

这是卡通模型所表现的DNA的特点之一,如果你能把这个模型记住,你会很容易理解DNA分子的详细结构

耶鲁公开课 - 生物医学工程探索课程节选