It seems clear, however, that the more unique an activity is, the less certain the estimate of its duration and, therefore, the more risky the project will be in terms of control.

很显然，一项活动的惟一性越强，其历时估算越不确定，由此在控制中项目的风险也越大。

youdao

It seems clear, however, that the more unique an activity is, the less certain the estimate of its duration and, therefore, the more risky the project will be in terms of control.

很显然，一项活动的惟一性越强，其历时估算越不确定，由此在控制中项目的风险也越大。

youdao