Assuming only a basic knowledge of probability and calculus, it covers the material in a mathematically rigorous and complete way at a level accessible to second or third year undergraduate students.

假定只有一个基本知识的概率和演算，它涵盖材料，在理论上严格和彻底的方式在一定的水平进入第二或第三个年头本科生。

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Basic knowledge of polyethylene material, pipe fittings specifications, pipeline construction specifications, technical points, management experience and design parameters.

聚乙烯材料基础知识、管材管件规格、管道的施工规范、技术要点、管理经验及设计参数。

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And content in the next we introduce the basic knowledge of OTFTs, including common device structures, OTFTs works, material selection and preparation, and crafts.

并在接下来的内容里介绍了OTFT的基本知识，包括常见的器件结构、OTFT的工作原理、材料选择和制备工艺等。

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