谷歌图书数字化计划是至今争议最大的项目，2005年招来了一群出版商的起诉（今年十月结案）。

Their vast project to digitise books has been the most controversial so far, prompting a lawsuit from a group of publishers in 2005 that was resolved in October.

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讨论了项目进度计划中与冲突资源相关的关键任务、关键任务组以及关键任务群，提出了统一的定量表示方法。

This paper discussed the critical task, critical task set and critical task group involved conflict resource in a project scheduling scheme, and put forward a unified quantitative express method.

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