First of all, you have to have a background in requirements engineering. As a start, look at the Volere templates, that help to organize the requirements in a meaningful way. The authors (the Robertsons) have written a book "Mastering the Requirements Process" (ISBN: 978-0321419491), but there are of course a lot of other authors.
There are a lot of techniques to get requirements from the customer, and it depends on how the customer behaves, in which area he is under way, and how much experiences he has there. It is not possible to give here any advice.
I don't think that there is a list of common mistakes that could help you in any way. Get an experienced requirements engineer, and follow his steps.
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首先，您必须具有需求工程背景。首先，查看 Volere 模板，它有助于以有意义的方式。作者（罗伯逊夫妇）写了一本书“掌握需求流程”（ISBN：978-0321419491），但当然还有很多其他作者。
从客户那里获取需求的技巧有很多，这取决于客户的行为方式、他从事哪个领域以及他在那里有多少经验。在这里无法提供任何建议。
我认为列出的常见错误不会对您有任何帮助。找一位经验丰富的需求工程师，然后按照他的步骤进行。
First of all, you have to have a background in requirements engineering. As a start, look at the Volere templates, that help to organize the requirements in a meaningful way. The authors (the Robertsons) have written a book "Mastering the Requirements Process" (ISBN: 978-0321419491), but there are of course a lot of other authors.
There are a lot of techniques to get requirements from the customer, and it depends on how the customer behaves, in which area he is under way, and how much experiences he has there. It is not possible to give here any advice.
I don't think that there is a list of common mistakes that could help you in any way. Get an experienced requirements engineer, and follow his steps.