This paper talk about the mechanism which lead to memory errors, and how to avoid memory errors occur and do some preliminary exploration to summon witnesses real memory.

本文将对由记忆机制导致的记忆错误做一些初步概述，并对如何避免记忆错误出现和如何唤起证人的真实记忆做一些初步探讨。

youdao

I think we will do so tomorrow morning, and if we decide that there are further questions to ask, then certainly we would summon back witnesses and ask those questions.

我认为会是在明天上午，如果我们认为还需要询问进一步的问题，那么我们将把证人召回，并进行质询。

youdao

The inquiry will also have the power to summon witnesses to testify under oath.

BBC: Prescott slammed for 'pettiness' over phone hacking

It will be led by senior judge Lord Justice Leverson and will have the power to summon witnesses to testify under oath.

BBC: Phone-hacking debate part two