这个项目涉及许多复杂的技术问题。

This project involves a lot of complex technical problems.

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其中一个项目涉及通过基因工程使烟草植物在缺水时保持叶子的生长。

One project involves tobacco plants genetically engineered to keep their leaves during water shortages.

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不同的项目涉及不同的领域。

With different projects comes different problem domains.

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But when you start doing scientific research or financial work, imprecision and rounding errors start to add up.

但如果你碰到涉及科学研究,或财政方面的项目时，不精确度,和错误就会累加。

哈佛公开课 - 计算机科学课程节选