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The drivers and motivations for producing and sharing oer are summarised in table 1 .

制作和共享oer的动力和动机摘要列于表1。

Hospital admissions also decreased oer the same time period .

在同一时期住院病人也减少了。

Objectie : a higher mortality has been reported after pneumonectomy oer the age of 70 .

目的：据报道超过70岁患者行肺切除术后有更高的死亡率。

First , oer can provide learners with knowledge and skills to do things that they could not do before .

首先，oer可以给学习者提供做他们以前不会做的事情所需的知识与技能。

In exchange for an accurate estimation of the number of ongoing oer initiatives , we can offer a preliminary typology of different repositories .

作为准确估计正在进行中的oer创举的数目的交换，我们可以对各式各样知识宝库提出一个初步的分类。