At the same time, they are often drawn out , disruptive and damaging to institutional memory.

同时，他们还经常对由来已久的记忆进行抽调、分化和颠覆。 感觉，用词不是很合适。以我的理解institutional memory指的是一些传统、一些管理上已有的程序、经验甚至包括已有的公司氛围、工作环境等等。用记忆字面上是准了但含义上显得不是很准确。

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Americans have come to associate agedness with frailty and disability rather than with institutional memory and expertise.

美国人对老年人的印象是脆弱又无能而不是有着丰富的回忆以及专门的知识。

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It is generally true that it takes more people to maintain institutional memory and stay fresh on a large code base than it does a smaller one.

一般确实是比起较小的代码基数，大型的代码基数要用更多的人来维护制度上的存储并且保持最新。

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Many government watchers argue that California's strict term limits have diluted the institutional memory and experience of the state's legislature.

NPR: Political Families Circumvent California Term Limits

Mr Pollock would prefer to see the task go to an independent advisory body, manned by economic heavyweights to provide institutional memory of past crises.

ECONOMIST: What regulators should do now

The hope here is that a huge business can provide the support and expertise needed to keep our project going, and that it will survive in institutional memory--even if the employee in charge of it today drops the ball, someone else will pick it up.

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