钢网制作技术包括化学腐蚀，激光切割和电铸。

Stencil manufacturing techniques include chemical etching laser cutting and electroforming.

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本文综述了从植物中提取果胶的各种方法，包括化学提取法和生物提取法。

In this paper, the methods of pectin extraction and purification from plant tissues, including chemical and biological methods, are introduced.

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学生们写了一套有创意的教科书，包括语文、英语、数学、化学和物理五门科目。

The students wrote a set of creative textbooks that includes five subjects Chinese, English, maths, chemistry and physics.

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And there will be a little bit of history in there, but this is mostly modern chemistry and represents the basic properties of matter, and it's basic properties of all matter, including living matter, which was what really interested me, that connection between chemistry and biology.

它们都有一些历史，但都是最现代的化学,代表了物质的最基本的性质，而且是所有物质的最基本性质，包括生物，这个让我很感兴趣，因为它连接着化学和生物学。

麻省理工公开课 - 化学原理课程节选

We need to have conditions internally that are relatively constant in terms of temperature, and pH, and chemical composition in order for us to thrive.

我们需要体内的环境参数保持相对稳定,这些环境参数包括,温度,pH值,以及化学组成,这样人才能茁壮成长

耶鲁公开课 - 生物医学工程探索课程节选